3.NBT.A.2 math practice. Learn by doing.

3.NBT.A.2 practice covers fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction. Work through 8 free questions with answers and explanations, then continue in the related math games.

Grade 32 mapped skills
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8 free questions · 0/0 correct

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What is 75+7675 + 76?

75+76=15175 + 76 = 151.

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What is 201920 - 19?

2019=120 - 19 = 1.

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What is 76+2676 + 26?

76+26=10276 + 26 = 102.

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What is 807980 - 79?

8079=180 - 79 = 1.

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What is 45+6945 + 69?

45+69=11445 + 69 = 114.

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What is 312931 - 29?

3129=231 - 29 = 2.

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What is 17+4417 + 44?

17+44=6117 + 44 = 61.

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What is 706770 - 67?

7067=370 - 67 = 3.

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Practice 3.NBT.A.2 inside a game.

The placement test chooses the right difficulty while every match keeps the standard in play.