Mental Math

99 ÷ 11 =

• 8

• 9

• 10

• 11

Tags

CCSS.3.OA.A.2

CCSS.3.OA.C.7

Round 3 728 to the nearest 1000

• 3 000

• 4 000

• 3 700

• 3 800

Tags

CCSS.3.NBT.A.1

CCSS.3.OA.D.8

The temperature is 32°C. If it falls by 15 degrees at night, what is the temperature now?

• 22°C

• 20°C

• 40°C

• 17°C

Tags

CCSS.3.NBT.A.2

A chicken needs to be cooked for 2 hours and 20 minutes. It needs to be ready at 1:00 pm. At what time do I need to start cooking it?

• noon

• 11:40 am

• 10:40 am

• 9:30 am

Tags

CCSS.3.MD.A.1

4 x 12 =

• 24

• 36

• 48

• 56

Tags

CCSS.3.OA.A.1

CCSS.3.OA.C.7

I have $10. I spend $4.50. How much money do I have now?

• $5.50

• $4.50

• $3.50

• $5.00

Tags

CCSS.3.NBT.A.2

The date is March 3rd. What was the date 1 week ago?

• March 10th

• February 25th

• February 24th

• February 23rd

Tags

CCSS.3.MD.A.1

CCSS.3.NBT.A.2

72 ÷ 8 =

• 8

• 9

• 10

• 11

Tags

CCSS.3.OA.A.2

CCSS.3.OA.C.7

I am a square with each side measuring 3 cm. What is my perimeter?

• 12 m

• 9 cm

• 3 dm

• 12 cm

Tags

CCSS.3.MD.D.8

I am thinking of a number. I double it and add 1. The answer is 17. What number am I thinking of?

• 7

• 8

• 9

• 10

Tags

CCSS.3.OA.A.3

CCSS.3.OA.D.8