Grade 7 math review

Powers

100

5²

25

200

11²

121

300

5³

125

400

30²

900

500

24³

13824

Brackets

100

(8x4) + (6-1)  +2

30

200

(8+2)x3

39

300

(9x8)+(6x6)-(2x2)

104

400

(81x2)-(8x3x2)

114

500

(3x3)² x2+(2x3)

168

Square root of..

100

√25

5

200

√36

6

300

√81

9

400

√121

11

500

√400

20

Area formulas

100

What is the formula for area of square

a x a or a²

200

What is the formula for area of triangle

(a x h) : 2

300

What is the formula for area of rectangle

a x b

400

What is the formula for area of rhombus

a x h

500

What is the formula for area of Parallelogram

a x h

Fractions

100

1/2 + 1 1/2

2

200

3/4 + 2/8 + 2/4

1 1/2

300

1 3/4 x 7/4

3 1/16

400

(2/8 : 2/4) + 3/4

1 1/4

500

(3/12 : 7/4) x 7/1 + 1/10

1 1/10