Math puzzles

Front

How many times do you pass the number 9 when counting from 1 to 100?

Back

20, Twenty

Tags

CCSS.1.NBT.A.1

Front

How many triangles are in this picture?

Back

35

Front

Which number comes in the middle of the figures: 12, 24; 3, 24; 4, 24; 6, 24?

Back

3, 24

Tags

CCSS.4.OA.C.5

Front

Jill has 3 sons and each of them has a sister. How many kids does Jill have?

Back

4

Tags

CCSS.3.OA.A.3

Front

How many squares are there in the image?

Back

50

Front

What is the sum of angles in a triangle?

Back

180 degrees

Tags

CCSS.8.G.A.5

Front

What is the formula for the area of a rectangle?

Back

Area = length × width

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the value of pi (π) approximately?

Back

3.14

Tags

CCSS.HSG.GMD.A.1

Front

What is the perimeter of a square with side length 5?

Back

20 (Perimeter = 4 × side length)

Tags

CCSS.4.MD.A.3

Front

If a triangle has sides of length 3, 4, and 5, what type of triangle is it?

Back

Right triangle

Tags

CCSS.4.G.A.2