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2Grade 2 Standards
Top Mathematicians
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Number
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2.N.1.1
number concepts to 100
• counting:
- skip-counting by 2, 5, and 10:
- using different starting points
- increasing and decreasing (forward and backward)
• Quantities to 100 can be arranged and recognized:
- comparing and ordering numbers to 100
- benchmarks of 25, 50, and 100
- place value:
- understanding of 10s and 1s
- understanding the relationship between digit places and their value, to 99 (e.g., the digit 4 in 49 has the value of 40)
- decomposing two-digit numbers into 10s and 1s
• even and odd numbers -
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2.5Skip Counting by 5, 10 and 10020
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2.6Counting and Number Patterns: Hundred Chart15
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2.21Greatest and Least15
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2.49Even or Odd I10
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2.50Select Even or Odd10
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2.51Compare Numbers Up to 100020
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2.52Compare Numbers Up to 10020
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2.53Counting and Number Patterns: Writing Numbers in Words20
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2.54Value of Underlined Digit Up to 9915
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2.55Convert Numbers to Tens and Ones Up to 100015
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2.56Convert Numbers to Tens and Ones Up to 9910
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2.66Put Numbers in Order Up to 12020
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2.67Regrouping Tens and Ones I10
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2.68Regrouping Tens and Ones II20
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2.69Adding Tens and Ones20
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2.N.1.1
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Computational Fluency
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2.CF.2.1
change in quantity, using pictorial and symbolic representation
• numerically describing a change in quantity (e.g., for 6 + n = 10, visualize the change in quantity by using ten-frames, hundred charts, etc.) -
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2.6Counting and Number Patterns: Hundred Chart15
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2.12Subtraction with Pictures Up to 1010
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2.37Choose Addition Pictures Up to 105
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2.38Addition with Pictures Up to 2010
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2.39Addition with Pictures Up to 105
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2.40Write Addition Sentences to Describe Pictures15
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2.41Subractions Sentences to Describe Pictures15
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2.CF.2.2
symbolic representation of equality and inequality
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2.18Solve Inequalities10
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2.51Compare Numbers Up to 100020
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2.52Compare Numbers Up to 10020
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2.88Balance Addition Equations with Sums Up to 2010
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2.89Balance Subtraction Equations with Sums Up to 1810
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2.90Balance Addition Equations with Sums Up to 10020
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2.91Balance Addition Equations with Operands Up to 10020
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2.92Balance Subtraction Equations with Sums Up to 10015
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2.93Balance Subtraction Equations with Operands Up to 10020
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2.94Addition and Subtraction - Balance Equations Up to 10020
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2.95Addition and Subtraction - Balance Equations Up to 1810
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2.96Addition and Subtraction - Balance Equations Up to 10020
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2.97Which Sign Makes the Number Sentence True?20
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2.CF.2.3
addition and subtraction facts to 20 (introduction of computational strategies)
• adding and subtracting numbers to 20
• fluency with math strategies for addition and subtraction (e.g., making or bridging 10, decomposing, identifying related doubles, adding on to find the difference) -
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2.7How to Make a Number - Values Up to 10020
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2.8How to Make a Number - Sums and Numbers Up to 1015
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2.9Adding Doubles10
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2.10Related Subtraction Equations Up to 1010
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2.11Choose Subtraction Pictures with Numbers Up to 105
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2.12Subtraction with Pictures Up to 1010
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2.13Subtracting Doubles5
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2.19Add and Subtract - How to Make a Number Up to 10020
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2.20Add and Subtract - How to Make a Number10
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2.22Addition with Sum Up to 10020
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2.23Addition Sentences Up to 10020
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2.25Subtraction with Sums Up to 10015
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2.26Subtraction Sentences with Numbers Up to 1810
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2.34Addition and Subtraction Up to 2010
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2.35Addition and Subtraction Up to 10020
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2.37Choose Addition Pictures Up to 105
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2.38Addition with Pictures Up to 2010
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2.39Addition with Pictures Up to 105
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2.40Write Addition Sentences to Describe Pictures15
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2.41Subractions Sentences to Describe Pictures15
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2.43Addition Input/Output Tables with Sums Up to 2010
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2.44Subtraction Input/Output Tables20
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2.46Related Addition Equations Up to 1010
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2.47Related Addition Equations Up to 100020
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2.48Related Subtraction Equations with Sums Up to 100020
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2.70Choose Addition Pictures Up to 105
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2.71How to Make a Number with Single Digits Up to 1015
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2.72Addition with Single Digit Numbers with Sums Up to 2015
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2.73Addition with a Specific Number50
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2.74Subtract Two Numbers Up to 1815
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2.75Subtracting Zero and All15
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2.76Related Equations with Sums Up to 100015
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2.77Related Equations Up to 1015
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2.78Addition and Subtraction Up to 185
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2.CF.2.4
addition and subtraction to 100
• decomposing numbers to 100
• estimating sums and differences to 100
• using strategies such as looking for multiples of 10, friendly numbers (e.g., 48 + 37, 37 = 35 + 2, 48 + 2 = 50, 50 + 35 = 85), decomposing into 10s and 1s and recomposing (e.g., 48 + 37, 40 + 30 = 70, 8 +7 = 15, 70 +15 = 85), and compensating (e.g., 48 + 37, 48 +2 = 50, 37 – 2 = 35, 50 + 35 = 80)
• adding up to find the difference
• using an open number line, hundred chart, ten-frames
• using addition and subtraction in real-life contexts and problem-based situations
• whole-class number talks -
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2.7How to Make a Number - Values Up to 10020
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2.8How to Make a Number - Sums and Numbers Up to 1015
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2.15Subtract Tens20
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2.16Ways to Make a Number Up to 2010
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2.17Ways to Make a Number with Values Up to 10020
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2.19Add and Subtract - How to Make a Number Up to 10020
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2.23Addition Sentences Up to 10020
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2.25Subtraction with Sums Up to 10015
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2.27Adding Three or More Numbers with One or Two Digits15
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2.28Subtraction Sentences with Sums Up to 10015
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2.35Addition and Subtraction Up to 10020
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2.40Write Addition Sentences to Describe Pictures15
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2.41Subractions Sentences to Describe Pictures15
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2.44Subtraction Input/Output Tables20
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2.45Addition Input/Output Tables with Numbers Up to 10020
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2.79Add a One Digit Number to a Two Digit Number15
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2.80Add Two Digit Numbers15
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2.81Add Two Numbers Up to 10015
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2.82Add Numbers - Sums Up to 100020
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2.83Adding Three or More Numbers20
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2.84Subtract Two Numbers - 1 or 2 Digits Up to 2010
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2.85Subtract One-Digit Numbers from Two-Digit Numbers15
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2.86Subtract Two Numbers - Single and Double Digits20
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2.87Subtract Two Numbers - Double Digits Up to 10015
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2.CF.2.5
benchmarks of 25, 50, and 100 and personal referents
• seating arrangements at ceremonies/feasts -
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2.CF.2.1
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Patterning
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2.P.3.1
repeating and increasing patterns
• exploring more complex repeating patterns (e.g., positional patterns, circular patterns)
• identifying the core of repeating patterns (e.g., the pattern of the pattern that repeats over and over)
• increasing patterns using manipulatives, sounds, actions, and numbers (0 to 100)
• Métis finger weaving
• First Peoples head/armband patterning
• online video and text: Small Number Counts to 100 (mathcatcher.irmacs.sfu.ca/story/small-number-counts-100) -
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2.1Mixed Patterns5
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2.P.3.1
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Geometry & Measurement
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2.GM.4.1
direct linear measurement, introducing standard metric units
• centimetres and metres
• estimating length
• measuring and recording length, height, and width, using standard units -
2.GM.4.2
multiple attributes of 2D shapes and 3D objects
• sorting 2D shapes and 3D objects, using two attributes, and explaining the sorting rule
• describing, comparing, and constructing 2D shapes, including triangles, squares, rectangles, circles
• identifying 2D shapes as part of 3D objects
• using traditional northwest coast First Peoples shapes (ovoids, U, split U, and local art shapes) reflected in the natural environment -
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2.3Venn Diagrams5
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2.59Identify Shapes I5
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2.60Identify Simple Planar and Solid Shapes5
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2.61Identify Shapes II5
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2.99Count Sides and Corners5
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2.100Compare Sides and Corners5
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2.101Relate Planar and Solid Figures5
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2.GM.4.1
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Data & Probability
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2.D.5.1
likelihood of familiar life events, using comparative language
• using comparative language (e.g., certain, uncertain; more, less, or equally likely) -
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2.D.5.2
pictorial representation of concrete graphs, using one-to- one correspondence
• collecting data, creating a concrete graph, and representing the graph, using a pictorial representation through grids, stamps, drawings
• one-to-one correspondence -
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2.31Interpret Line Plots with Up to 5 Data Points5
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2.32Interpret Line Plots5
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2.33Interpret Line Plots with Numbers Up to 405
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2.57Create Line Plots5
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2.58Create Line Plots II5
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2.D.5.1
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Financial Literacy
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2.FL.6.1
Coin combinations to 100 cents, and spending and saving
• counting simple mixed combinations of coins to 100 cents
• introduction to the concepts of spending and saving, integrating the concepts of wants and needs
• role-playing financial transactions (e.g., using bills and coins) -
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2.29Add and Subtract Money5
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2.30Purchases: Do You Have Enough Money?15
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2.102Count Money15
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2.103Add and Subract Money Up to $115
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2.104Which Picture Shows More?15
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2.105Count Up with Numbers5
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2.106How Much More to Make a Dollar?5
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2.FL.6.1