Mental Math

What is 100 more than 50?

• 150

• 105

• 51

• 501

Tags

CCSS.2.NBT.B.8

There are two wheels in one bicycle. How many wheels are there in 5 bicycles?

• 10

• 20

• 50

• 30

Tags

CCSS.3.OA.A.3

_________ + 8 = 16

• 4

• 6

• 10

• 8

Tags

CCSS.1.OA.D.8

400 + 400 =

• 8

• 80

• 800

• 80000

Tags

CCSS.2.NBT.A.1

CCSS.2.NBT.B.7

Which one is the odd number here?

• 1131

• 3544

• 180

Tags

CCSS.2.OA.C.3

I have a 8 in the Tens place.
A 5 in the Hundreds place.
A 2 in the Ones place.
What number am I?

• 852
• 582
• 285
• 528

Tags

CCSS.2.NBT.A.3

Which one shows a correct comparison?

• 45>56

• 45<56

• 65=56

Tags

CCSS.2.NBT.A.4

6 x 6 =

• 1

• 36

• 6

• 37

Tags

CCSS.3.OA.C.7

9 x 3 =

• 27

• 20

• 19

• 8

Tags

CCSS.3.OA.C.7

9 x 5 =

• 68

• 45

• 89

• 90

Tags

CCSS.3.OA.C.7