Mental math
What is the square root of 1444
38
Find the sum of the interior angles of a nonagon (has 9 sides)
1260
Find the LCM and HCF of 639 and 546 You can use a calculator
HCF = 3
LCM = 116,298
Divide 300 in the ratio 5:10:15
50:100:150
find the circumference of a circle with a 7 cm radius
You can use a calculator
14 pi
Change 500 litres into centilitres
50,000 centilitres
Rearrange the formula t=the square root of p+3 to make p the subject
p=(t-3)2
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
what is 5/8 + 6/28 -2/5
123/280
Find the perimeter of a rectangle where length is 3x and width 3/4x as an expression
15/2 x or 7.5x
Workout 62 +(5.3-3/10)
41
When 80 is increased by a% the result is between 105 and 110 a is a multiple of 4 find a
32 or 36