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# Addition and subtraction

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Relating addition and subtraction

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Relate addition and subtractionGet 5 of 7 questions to level up!

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Adding 7 + 6Adding 8 + 7Adding 5 + 3 + 6

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Add within 20Get 5 of 7 questions to level up!

Add 3 numbersGet 5 of 7 questions to level up!

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Subtracting 14 - 6

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Subtract within 20Get 5 of 7 questions to level up!

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Equal sign

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Equal signGet 5 of 7 questions to level up!

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Find missing number (add and subtract within 20)Get 5 of 7 questions to level up!

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Addition and subtraction word problems: superheroesAddition and subtraction word problems: gorillas

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Addition and subtraction word problems 1Get 5 of 7 questions to level up!

Addition and subtraction word problems 2Get 5 of 7 questions to level up!

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Comparison word problems: marblesComparison word problems: roly-polies

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Word problems with "more" and "fewer" 1Get 5 of 7 questions to level up!

Word problems with "more" and "fewer" 2Get 5 of 7 questions to level up!

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Adding 1 vs. adding 10Understanding place value when adding tensUnderstanding place value when adding onesAdding 1s and 10s guided practice

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Add 1 or 10Get 5 of 7 questions to level up!

Add 1s or 10s (no regrouping)Get 5 of 7 questions to level up!

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Adding 2-digit numbers without regrouping 1Adding 2-digit numbers without regrouping 2Breaking apart 2-digit addition problemsRegrouping to add 1-digit numberAdding by making a group of 10

Practice

Add 2-digit numbers (no regrouping)Get 5 of 7 questions to level up!

Break apart 2-digit addition problemsGet 3 of 4 questions to level up!

Regroup when adding 1-digit numbersGet 5 of 7 questions to level up!