Mentally Adding and Subtracting 10 or 100

James has 56 pencils. He gets 10 more. How many pencils does James have all together.

• 46

• 66

• 76

• 86

Tags

CCSS.2.NBT.B.6

Kimberly has 89 dollars to spend at the book fair. She only spent 10. How much money does Kimberly have now?

• 99

• 80

• 79

• 69

Tags

CCSS.2.OA.A.1

Add 10 to 45.

• 50

• 55

• 60

• 40

Tags

CCSS.1.NBT.C.5

Subtract 10 from 78.

• 68

• 58

• 88

• 72

Tags

CCSS.1.NBT.C.5

What is 100 more than 117?

• 417

• 217

• 522

• 17

Tags

CCSS.2.NBT.B.8

What is 10 more?

• 238

• 128

• 218

Tags

CCSS.2.NBT.B.7

What is 100 more than 254?

• 154

• 699

• 354

• 253

​ is 100 more than 254?

• 154

• 699

• 253

• 354

Tags

CCSS.2.NBT.B.8

What is 100 more than 117?

• 417

• 217

• 522

• 17

Tags

CCSS.2.NBT.B.8

​ is 100 more than 254?

• 154

• 699

• 253

• 354

Tags

CCSS.2.NBT.B.8