mental math

Joseph brought 5 hot wheel cars to school. He added the cars to Mr. Arthur's car pile. Mr. Arthur had 20 cars. How many hot wheel cars are in the pile all together?

• 15 cars
• 30 cars
• 20 cars
• 25 cars

Tags

CCSS.2.OA.A.1

Mr. Arthur walked around the school for 15 minutes on Saturday. He walked around the school for 20 minutes on Sunday. How many minutes did he walk in all?

• 35 mL
• 35 minutes
• 25 minutes
• 35 schools

Tags

CCSS.4.MD.A.2

Malachi purchased 12 donkeys at the farmer's auction. Zack bought 10 more donkeys than Malachi. How many donkeys did Zack buy?

• 10 donkeys
• 2,500 donkeys
• 22 donkeys
• 12 donkeys

Tags

CCSS.1.OA.A.1

12 - 10 = ______

• 2
• 5
• 22
• 11

Tags

CCSS.2.OA.A.1

50 + 25 = ______

• 65
• 70
• 75
• 76

Tags

CCSS.2.NBT.B.5

What is 30% of 90?

• 9
• 18
• 270
• 27

Tags

CCSS.6.RP.A.3C

Double 33

• 66
• 16.5
• 44
• 6

9 x 3 =

• 18
• 27
• 36
• 25

Tags

CCSS.3.OA.C.7

5 x 80

• 40

• 400

• 4,000

• 40,000

Tags

CCSS.4.NBT.B.5

60 x 4

• 24

• 240

• 2,400

• 24,000

Tags

CCSS.4.NBT.B.5