📋 Extra Practice: Math Ch 3 Review ➖ ➕

Estimate. Round each number to the indicated place value.

765-121; tens

Tags

CCSS.3.NBT.A.1

Estimate. Round each number to the indicated place value.

2,219 - 1,109; hundreds

Tags

CCSS.3.NBT.A.1

Estimate. Round each number to the indicated place value.

877 - 770; tens

Tags

CCSS.3.NBT.A.1

Estimate. Round each number to the indicated place value.

584 - 341; hundreds

Tags

CCSS.3.NBT.A.1

Estimate. Round each number to the indicated place value.

1,836 - 1,648; hundreds

Tags

CCSS.3.NBT.A.1

Find the exact difference.

653 - 227 =

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Find the exact difference.

500 - 130 =

Tags

CCSS.3.NBT.A.2

3,485 - 1,297 =

Tags

CCSS.4.NBT.B.4

436 - 377 =

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Determine whether each problem requires an estimate or an exact answer. Then solve.

On Saturday, Jack's sister worked in the garden and planted 24 flowers. On Sunday, she planted 15 flowers. How many more flowers did she plant on Saturday than on Sunday?

• Exact Answer

• Estimate

Tags

CCSS.2.OA.A.1