Mental Math

10+12=

• 24

• 22

• 20

• 18

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

18+2=

• 22

• 20

• 24

• 19

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

15+7=

• 20

• 22

• 27

• 25

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

16+5=

• 20

• 22

• 21

• 19

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

15+9=

• 20

• 19

• 25

• 24

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

There were 3 bags of M&M's and each back had 10 candies. How many M&M's were there in all 3 bags combined?

• 13

• 25

• 15

• 30

Tags

CCSS.2.OA.C.4

There were 12 girls in the class and 10 boys, how many students altogether?

• 15

• 22

• 19

• 20

Tags

CCSS.1.OA.A.1

Lamont went to the store with a $20 bill and spent $15 on a pair of paints, how much change does he have left over?

• $20

• $10

• $12

• $5

Tags

CCSS.2.OA.A.1

10+10+10+10=

• 20

• 30

• 40

• 50

Tags

CCSS.2.OA.C.4

My brother got between $10 and $20 for his birthday, which amount could be what he received?

• $8

• $14

• $21

• $30

Tags

CCSS.1.NBT.B.3