Number
Round 2864 to 2 significant figures
2900
Expand:
2x(3x + 5)
What is the area of a triangle with base 12cm and height 3cm?
18cm2
Anne and Bob share £280 in the ratio 2:5. How much does Bob get?
£200
Ed thinks of a number. He multiplies it by 6 and then subtracts 7. His answer is 59. What was his number?
11
Estimate:
18.5 x 324.6
6000
Simplify:
x2 + x2 + x2
What is the volume of a cuboid with side length 3cm, 4cm and 5cm?
60cm3
What is 45% of 300?
135
Find the nth term of this sequence:
14, 11, 8, 5, ...
-3n + 17
0.3, 1/4, 0.34, 1/3, 32%
1/4, 0.3, 32%, 1/3, 0.34
Solve:
2x + 5 = 4x - 7
x = 6
Describe how to find the area of a circle with diameter 6cm
6 / 2 = 3
32 x pi
Increase 240 by 20%
288
change/original x 100
Write 0.000317 in standard form
3.17 x 10-4
What is the equation of the line with gradient 3, which passes through the point (0, -4)
y = 3x - 4
Describe the difference between a parallelogram and a rhombus
Rhombus has all equal sides, parallelogram has two pairs
A shirt is in a 60% off sale, and now costs £36. What was the original price?
£90
What is the probability of rolling two dice, and getting a 6 on both?
1/36
Find the next two terms of this Fibonacci-style sequence:
a b a+b
a+2b 2a+3b
Simplify:
(2x2)3
8x6
What is the surface area of a cube with side length 5cm?
150cm3
y is directly proportional to x2.
y = 20 when x = 2.
What is the value of y when x = 3?
45
Factorise:
12x2y3 + 16x3y
4x2y(3y2 + 4x)