Year 7 Maths

Find the Value

100

x+7 = 14        x=?

x=7

200

18+y=36      y=?

y=18

300

z+120=260         z=?

z=140

400

y+130-40=160     Y=?

y=70

500

(m+200)+(60-20) = 280       m=?

m=40

Mixed math

100

18/18=

1

200

7x40=

280

300

If one side of a square is 10 cm, what is the perimeter of this square?

40 cm

400

In a student survey, 80% of students said they received too much homework. If 300 students were surveyed, how many students claimed they have received too much homework?

240

500

Harry scored 70% on his percentage test. If the test is out of 50 marks, how many marks did Harry score?

35

Fractions

100

1/2 + 1/2 =

1

200

1/4 + 1/4 =

1/2

300

1.3+1.7=

3

400

1/8+1/4=

3/8

500

what is 210/420 simplified?

1/2

Percentages

100

What is 50% of 100

50

200

What is 10% of 140?

14

300

What is 20% of 50?

10

400

75% of 200

150

500

What is 5% of 80?

4

Geometry

100

I measure around a figure. What am I called in math?

perimeter / circumference

200

What is the formula for the perimeter of a rectangle? Use P for perimeter, L for length, and W for width.

P=L+L+W+W

300

What is the perimeter of a square with sides that equal 2m?

8m

400

What is the formula for the area of a rectangle? Use A for area, L for length, and W for width.

A = L x W

500

Sam's pencil box is 2 cm wide and 4 cm long. What is the area of Sam's pencil box?

8 cm²