Brain Teasers

8x8+5-7=

• 66

• 62

• 71

• 72

This shape is a______

• Tetrahedron

• Triangular prism

• Rectangular pyramid

• Square pyramid

What is the average of 18, 24 and 18?

• 15

• 25

• 20

• 19

Round off 138 to the nearest ten.

• 110

• 160

• 140

• 120

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

What is this called

³

• Square

• Prime

• minus

• Cube

which are the correct prime numbers

• 2,3,6

• 2,5,7

• 1,4,5

• 1,5,9

Tags

CCSS.4.OA.B.4

What is the priemeter of this rectangle

• 14

• 8

• 100

• 98

Tags

CCSS.4.MD.A.3

What is the priemeter of this rectangle

• 14

• 8

• 100

• 98

-15-55=

• -70

• 70

• 38

• -49

-15-55=

• -70

• 70

• 38

• -49