Adding Three-Digit Numbers

Round to the nearest hundred and then find the sum.126 + 171 =

• 200

• 300

• 290

• 310

709 + 94 =

• 803

• 804

• 800

• 813

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Mina's class collects 368 cans to recycle.
Will's class collects 254 cans.
How many hundreds are there in all?

• 500

• 300

• 200

• 400

Tags

CCSS.2.NBT.B.7

Allison added 157 to 296 and got 343.
This is not the correct answer.
What did Allison do wrong?

• She did not regroup

• She subtracted

• She multiplied

• She did not add the hundreds place

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

600+300=

435+100=

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

34+347=

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

65+528=

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

331+472=

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

661 + 99 = _____

• 760

• 660

• 750

Tags

CCSS.4.NBT.B.4