Grade 7 Math

Triangles

100

What is the formula to find the area of a triangle?

A=b x h / 2

200

What type of triangle has 2 equal side lengths? 

Isosceles

300

Find the area of this triangle:

b=10m h=14m

70m²

400

Find the base of the following triangle: 

Area = 14.4m²

height = 12m 

2.4m

500

Find height of parallelogram:

Area 3861m²

Base 99m 

39m

Circles

100

What is the formula for area of a circle? 

Pi x r²

200

What is the formula for the circumference of a circle?

pi x d 

300

Find circumference of a circle whose radius is 7 cm

43.96cm

400

Find diameter of a circle with circumference of 90cm. 

28.66cm.

500

Find area of a circle with a circumference of 50m. 

199.04m²

Fractions

100

What is the name of the top number in a fraction

Numerator

200

What is the lowest common denominator of 1/3 and 1/6?

6

300

3/4 - 1/2=

1/4

400

4/5 - 1/2 + 3/4 = 

1 1/20

500

25/31 - 19/39 = 

386/1209

Integers / Algebra

100

-7 - (-7) = 

0

200

3 - x = 11

x = -8

300

5x + 7 = 32

x = 5

400

-7 + (-6) + 5 - 11 + (-17) = 

-36

500

Jeremy collects hockey and baseball cards. The number of hockey cards he has is 21 more than twice the number of baseball cards. If he has 75 hockey cards, how many baseball cards does he have. 

2x + 21 = 75

x = 27