Adding and Subtracting with Whole Numbers

Which equation would be the best for estimating 64 +32

• 65 + 30

• 60 + 30

• 70 + 40

• 6.0 + 3.0

What is the best estimate for 38 - 13

• 30 - 15

• 40 - 20

• 35 - 15

• 40 - 10

Which is the best equation and answer for estimating 77- 22

• 70 - 20 = 50

• 80 - 20 = 60

• 80 - 25 = 55

• 80 - 30 = 50

Which operation would solve this problem: On Saturday Cooper's Grocery Store sold X newspapers. On Sunday they sold Y newspapers and Monday they sold Q newspapers. How many did the store sell for the weekend?

• add

• subtract

• divide

• multiply

Tags

CCSS.3.OA.D.8

516 + 468 =

• 974

• 1,984

• 984

• 986

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Solve:
246 + 553 = ?

• 313

• 799

• 809

• 307

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

James have 90 marshmallows in the jar. He adds 382 more. How many marshmallows are now in the jar? 

• 472

• 289

• 340

• 198

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

245 + 387 =

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Jordan read 485 pages last month and 391 pages this month. How many pages did Jordan read altogether?

• 866 pages

• 876 pages

• 886 pages

• 877 pages

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

92 + 85 + 135 =

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2