Number: addition and subtraction

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Addition
Add 2 two-digit numbers
Add a two-digit number and 10s
Add a two-digit number and 1s
Add and subtract numbers mentally with increasingly large numbers
Add one-digit and two-digit numbers 0 to 20
Adding and subtracting 9
Calculating strategies: adding 9
Calculating strategies: adding and subtracting 19
Calculation strategies: adding and subtracting near multiples of 10, by adjustment
Column addition and subtraction: five digit numbers
Column addition: carrying to the thousands column
Column addition: three digits, no carrying
Column addition: three digits, with carrying
Counting on/back in 10s and 100s
Counting on/back in 1s, 10s and 100s
Linking addition and subtraction number facts
Recall addition and subtraction facts to 20 fluently
Solve one-step problems that involve addition
The inverse relationship between addition and subtraction
Understanding the commutative property for addition and subtraction
Vocab for + (add, sum total etc.)
Work with addition and subtraction facts to 100
Subtraction
Add a two-digit number and 1s
Add and subtract numbers mentally with increasingly large numbers
Add one-digit and two-digit numbers 0 to 20
Adding and subtracting 9
Calculating strategies: adding and subtracting 19
Calculating strategies: subtracting 9
Calculation strategies: adding and subtracting near multiples of 10, by adjustment
Column addition and subtraction: five digit numbers
Column addition: carrying to the thousands column
Column subtraction: 3 digit, with borrowing
Column subtraction: 4 digit, with borrowing
Column subtraction: 4 digits, with borrowing
Column subtraction: three digits, no borrowing
Column subtraction: three digits, with borrowing
Counting on/back in 10s and 100s
Counting on/back in 1s, 10s and 100s
Linking addition and subtraction number facts
Number line subtraction (3-step)
Recall addition and subtraction facts to 20 fluently
Solve one-step problems that involve subtraction
Subtract 2 two-digit numbers
Subtract a two-digit number and 10s
Subtract one-digit numbers from 0 to 20
Subtract two digit numbers using 0-20
Subtract two-digit number and 1s
The inverse relationship between addition and subtraction
Understanding the commutative property for addition and subtraction
Vocab for – (subtract, minus, take away, difference etc.)
Work with addition and subtraction facts to 100
Solve problems using addition and subtraction
Add and subtract numbers mentally with increasingly large numbers
Mental subtraction: 2-step
Problem Solving +/- (missing numbers)
Solve addition and subtraction multi-step problems
Solve missing number problems using numbers up to 20
Solve one-step problems that involve addition
Solve one-step problems that involve subtraction
Solve two-step word problems
Solving simple word problems using objects or pictures
Subtract one-digit numbers from 0 to 20
Subtract two digit numbers using 0-20
Using inverse operations to check calculations
Word problems with + and –
Number bonds
Bonds to 100
Bonds to 100 (multiples of 5 and 10)
Bonds to 20
Calculate using bonds to 10
Calculation strategies: finding pairs that make 10 or 20
Counting on/back in 1s, 10s and 100s
Number bonds to 10
Number bonds to 20
Number bonds to 4 and 5
Number bonds to 6 and 7
Number bonds to 8 and 9
Doubling and halving
Calculating strategies: spotting near doubles below 20
Calculating strategies: using near-doubles to twenty
Doubling facts up to 20
Doubling numbers below 20
Estimating answers to simple calculations
Halving facts up to 20
Solve problems using multiplication and division
Solve two-step word problems
Estimation
Using inverse operations to check calculations
Early understanding of mathematical statements
Vocab for + (add, sum total etc.)
Vocab for – (subtract, minus, take away, difference etc.)
Write and calculate mathematical statements (addition and subtraction)

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