Math jeopardy

Mental math

100

What is the square root of 1444

38

200

Divide 300 in the ratio 5:10:15

50:100:150

300

Rearrange the formula t=the square root of p+3 to make p the subject

p=(t-3)²

400

what is 5/8 + 6/28 -2/5

123/280

Geometry and measure

100

Find the sum of the interior angles of a nonagon (has 9 sides)

1260

200

find the circumference of a circle with a 7 cm radius

You can use a calculator

14 pi

300

The hypotenuse of a right-angled triangle is 37 cm and the base is 12 cm. What is the vertical height of the triangle?

35 cm

400

Find the perimeter of a rectangle where length is 3x and width 3/4x as an expression

15/2 x or 7.5x

Numbers

100

Find the LCM and HCF of 639 and 546 You can use a calculator

HCF = 3

LCM = 116,298

200

Change 500 litres into centilitres

50,000 centilitres

400

Workout 6² +(5.3-3/10)

41

500

When 80 is increased by a% the result is between 105 and 110 a is a multiple of 4 find a

32 or 36