adding and subtraction

How many tens are there in 50?

• 5 tens

• 50 tens

• 500 tens

• 5000 tens

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

Miss Lane found 31 pencils on the floor. She found 12 more behind the shelf. Then, she found 3 more under the carpet. How many did she find in all?

• 19

• 46

• 16

• 22

Tags

CCSS.2.NBT.B.6

Tim solved the problem below. Check his math by adding. 
   3 8
- 1 8
_____
2 0

• 20 + 18 = 38
• 38 - 18 = 20
• 38 + 18 = 20
• 28 + 18 = 20

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

879- 100 =

• 779
• 879
• 869
• 878

Tags

CCSS.2.NBT.B.5

CCSS.2.NBT.B.7

CCSS.2.NBT.B.8

540 - ___ = 530

• 100
• 10
• 1
• 20

Tags

CCSS.2.NBT.B.8

Rewrite the problem vertically to subtract.
501- 345=

• 165
• 155
• 244
• 156

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Subtract using the box method.

3 0 0

- 3 7

----------

• 273

• 264

• 337

• 263

Tags

CCSS.2.NBT.B.7

Jack had 301 legos at his house. Bobby had 267 legos at his house. How many more legos did Jack have then Bobby?

• 34
• 266
• 44
• 568

Tags

CCSS.3.OA.D.8

 3  2 0
-   1 7
--------

• 303
• 203
• 317
• 217

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Rewrite the problem to subtract 38 - 17=

• 1

• 21

• 11

• 25

Tags

CCSS.2.NBT.B.7