Mental Math & Estimation Strategies (Check Understanding)

One game gives 1,000 points for a win. How many points are earned after 4 wins?

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CCSS.3.NBT.A.3

CCSS.3.OA.A.1

CCSS.3.OA.A.3

CCSS.3.OA.B.5

Each box has 8 prizes. How many prizes are in 5,000 boxes?

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CCSS.3.NBT.A.3

CCSS.3.OA.A.1

CCSS.3.OA.A.3

CCSS.3.OA.B.5

CCSS.3.OA.C.7

Two friends split $2,000 prize. How much do they each get?

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CCSS.3.OA.A.2

CCSS.3.OA.A.3

CCSS.3.OA.A.4

CCSS.3.OA.B.6

Ari has 2,000 marbles. He puts the same number of marbles in each of 5 bags. How many marbles are in each bag

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CCSS.3.OA.A.2

CCSS.3.OA.A.4

CCSS.3.OA.B.6

Use rounding to estimate 4 x 3,122

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CCSS.3.NBT.A.1

Use rounding to estimate 7 x 225

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CCSS.3.NBT.A.1

CCSS.3.NBT.A.3

Use Compatible Numbers to estimate the quotient 1,765 divided by 6

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CCSS.5.NBT.B.6

Use mental math to find the product of 30 x 8 x 2

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CCSS.3.NBT.A.3

Use mental math to find the quotient of 450 divided by 5

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CCSS.5.NBT.B.6

Find the product of 4 x 36

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CCSS.3.OA.A.3

CCSS.3.OA.B.5

CCSS.3.OA.C.7