8E Maths Wk6 - Wk9 Revision

Square No/Roots

100

What is 5²

25

200

What is the square root of 100?

10

300

What is 82²

6724

400

What is the square root of 2704?

52

500

What is 9² + the square root of 12 equal?

225

Pythagoras Theorem

100

Solve for C

C² = 5² + 3²

C = 5.83

200

Solve for C

C² = 7² + 4²

C = 8.06

300

Solve for C

C² = 10² + 8²

C = 12.806   OR  C = 12.81

400

Solve for A 

A² = 10² - 6²

A = 8

500

Solve for A if: 

C = 8 and B = 3

A = 7.416

Converting Measurements

100

Convert 100mm to cm

10cm

200

Convert 10cm to mm 

100mm

300

Convert 2km to m

2000m

400

Covert 75m to cm

7500cm

500

Convert 3500mm to m

3.5m

Circles

100

What is the part of the circle that goes across the middle (from side to side) called?

Diameter 

200

What is the outside of the circle called?

Circumference

300

What is the line that goes from the edge of a circle to the middle called?

Radius

400

What is the circumference of a circle if:

a diameter is 5cm?

C = pi x d

C = 15.7cm

500

What is the circumference of a circle if:

A radius is 2.7m?

C = 16.956m

Perimeter

100

What is the perimeter of a square if the sides are equal to 5cm?

P = 20cm

200

What is the perimeter of a rectangle if the length is 3cm and the width is 7cm?

P = 20cm

300

What is the perimeter of a rectangle if the length is 8.5cm and the width is 13.7cm?

P = 44.4cm

400

What is the perimeter of a rectangle if the sides are equal to 5.3m ?

P = 15.9m

500

What is the perimeter of a octagon if the sides are all equal to 4.1m?

P = 32.8m