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Addition and subtraction within 20

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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
Practice
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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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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Repeated addition: haircuts
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Repeated additionGet 3 of 4 questions to level up!

About this unit

Learn to add and subtract numbers that are 20 or less.