5th Grade Math Brain Teasers

Your parents have six sons including you and each son has one sister. How many people are in the family?

• eight

• nine

• twelve

• twenty-one

Tags

CCSS.7.NS.A.3

Fourteen of the kids in the class are girls. Eight of the kids wear blue shirts. Two of the kids are neither girls or wear a blue shirt. If five of the kids are girls who wear blue shirts, how many kids are in the class?

• 18

• 20

• 19

• None of these

Tags

CCSS.3.OA.D.8

CCSS.3.NBT.A.2

What is the answer?

• 65

• 55

• 35

• 45

Tags

CCSS.3.OA.D.8

What will you write in place of question mark in the picture?

• 18

• 14

• 50

• 30

Tags

CCSS.3.OA.D.8

What comes next in this pattern: 1, 1, 2, 3, 5, 8, 13, ?

• 15

• 17

• 19

• 21

Tags

CCSS.HSF.BF.A.2

A farmer has 17 sheep and all but 9 die. How many are left?

• None
• 8
• 9
• 17

Tags

CCSS.8.EE.C.7B

What is the answer?

• 3

• 6

• 9

• 12

Tags

CCSS.5.OA.B.3

What is the answer in the equation?

• 1

• 2

• 3

• 4

Tags

CCSS.6.EE.A.1

What is their total weight?

• 20 kg

• 27 kg

• 34 kg

• 41 kg

Tags

CCSS.4.MD.A.2

What number would you get if you multiply all of the numbers in your phone's number pad?

• 0

• 456

• 362,880

• 456,908

Tags

CCSS.3.OA.D.9