Refreshing Revision

Number Sequences 1

What is the 6th:
a) Odd number; 11
b) Square number; 36
c) Prime number. 13

Factors

Find all the factors of:

47

1, 47.

Multiples

Subtract the 5th from the 8th multiples of:

4

12

Polygons

What are the names of regular polygons with:
a) four sides;
b) five sides;
c) six sides.

Square, Pentagon and Hexagon (all regular)

Rounding (3sf)

Round to three significant figures:
a) 56.38; 56.4
b) 818568; 819000
c) 96; 96.0
d) 0.009695; 0.00970

Area of a Triangle

Find the area of a triangle that has a base of 6cm and a height of 10cm.

30cm²

Area of a Trapezium

Find the area of a trapezium that has a base of 13cm, a height of 10cm and a top (parallel to base) of 5cm. 90cm²

Fractions (Adding)

Evaluate:

$ \frac{1}{4} + \frac{6}{8}$ $= 1$

Fractions (Multiplying)

Evaluate:

$ \frac{3}{5} × \frac{6}{8}$ $= \frac{9}{20}$

Fractions (Dividing)

Evaluate:

$ \frac{2}{4} ÷ \frac{8}{6}$ $= \frac{3}{8}$

Circle (Vocabulary)

Name the red part.

Venn Diagrams

Describe the red region.

Shape Formulas

What is the formula?

Formulas (Advanced)

What is it?

Fraction to Percentage

Convert this fraction to a percentage.

$ \frac{4}{8}$ $= 50$%

Circle Area

Find the area of a circle that has a radius of 8cm. Give your answer to three significant figures.

201cm²

Circle Circumference

Find the circumference of a circle that has a radius of 12cm. Give your answer to three significant figures.

75.4cm

Decimals (Adding)

Calculate the value of:

4.7 + 6.7

= 11.4

Decimals (Subtracting)

Calculate the value of:

9.4 − 3.6

= 5.8

Decimals (Multiplying)

Calculate the value of:

9.5 × 9.2

= 87.4

Decimals (Dividing)

Calculate the value of:

172.8 ÷ 18

= 9.6

Indices (Simple)

What is the value of:

4²

= 16

Indices (Advanced)

What is the value of:

$1^{1}$

$= 1$

Basic Addition

Calculate the value of:

29 + 29

= 58

Basic Subtraction

Calculate the value of:

54 − 29

= 25

Basic Multiplication

Calculate the value of:

74 × 54

= 3996

Basic Division 2

Calculate the value of:

1012 ÷ 23

= 44

Percentage (Of)

Find the value of:

40% of 160

= 64

Standard Form 1

Find the value of:

8.23 × 10⁴

= 82300

Highest Common Factor

Find the highest common factor of twelve and ten.

= 2

Times Tables (2-5)

9 × 4 = 36	5 × 4 = 20
8 × 4 = 32	4 × 2 = 8
3 × 2 = 6	7 × 3 = 21
6 × 5 = 30	2 × 3 = 6

Times Tables (2-12)

5 × 12 = 60	8 × 2 = 16
4 × 6 = 24	3 × 9 = 27
9 × 8 = 72	6 × 2 = 12
7 × 8 = 56	2 × 3 = 6

Times Tables (2)

6 × 2 = 12	9 × 2 = 18
3 × 2 = 6	5 × 2 = 10
7 × 2 = 14	8 × 2 = 16
4 × 2 = 8	2 × 2 = 4

Times Tables (3)

7 × 3 = 21	9 × 3 = 27
5 × 3 = 15	8 × 3 = 24
4 × 3 = 12	3 × 3 = 9
6 × 3 = 18	2 × 3 = 6

Times Tables (4)

4 × 4 = 16	3 × 4 = 12
9 × 4 = 36	8 × 4 = 32
5 × 4 = 20	6 × 4 = 24
7 × 4 = 28	2 × 4 = 8

Times Tables (5)

6 × 5 = 30	9 × 5 = 45
8 × 5 = 40	7 × 5 = 35
4 × 5 = 20	3 × 5 = 15
5 × 5 = 25	2 × 5 = 10

Times Tables (6)

4 × 6 = 24	3 × 6 = 18
6 × 6 = 36	5 × 6 = 30
9 × 6 = 54	8 × 6 = 48
7 × 6 = 42	2 × 6 = 12

Times Tables (7)

8 × 7 = 56	5 × 7 = 35
6 × 7 = 42	9 × 7 = 63
4 × 7 = 28	7 × 7 = 49
3 × 7 = 21	2 × 7 = 14

Times Tables (8)

8 × 8 = 64	6 × 8 = 48
7 × 8 = 56	5 × 8 = 40
4 × 8 = 32	9 × 8 = 72
3 × 8 = 24	2 × 8 = 16

Times Tables (9)

7 × 9 = 63	5 × 9 = 45
9 × 9 = 81	3 × 9 = 27
6 × 9 = 54	4 × 9 = 36
8 × 9 = 72	2 × 9 = 18

Times Tables (12)

3 × 12 = 36	7 × 12 = 84
5 × 12 = 60	9 × 12 = 108
6 × 12 = 72	8 × 12 = 96
4 × 12 = 48	2 × 12 = 24

Fractions (Equivalent)

Write this fraction in its simplest form:

$ \frac{9}{18}$ $= \frac{1}{2}$

Fractions (Mixed)

Evaluate:

$ 3\frac{2}{3} − \frac{4}{5}$ $= 2\frac{13}{15}$

Pythagoras

Find BC if AB = 3.9m and AC = 5.2m. 6.50m

Trigonometry (Angle)

Find angle ABC if AB = 3.1m and BC = 4.9m. 50.8^o

Trigonometry (Side)

Find AB if angle ABC = 45^o and BC = 3.8m. 2.69m

Roman Numerals (1-12)

Give your answer in Roman numerals.

²

Roman Numerals (60-100)

Give your answer in Roman numerals.

²

Roman Numerals (Large)

Give your answer in Roman numerals.

²

Fraction to Decimal

Convert this fraction to a decimal to 3 significant figures.

$ \frac{4}{9}$ $= 0.444$

Decimal to Fraction

Convert this decimal to a fraction.

$0.11$ = $ \frac{11}{100}$

Percentage (Increase)

Increase £20 by 25%

£25

Lowest Common Multiple

What is the lowest common multiple of sixteen and twenty.

= 80

Sequence (Arithmetic)

7,17,27,37,47...

Find the:
a) next term; 57
b) n^th term; 10n - 3
c) term number 31; 307

Sequence (Geometric)

4,12,36,108,324...

Find the:
a) next term; 972
b) n^th term; 4 × 3^n-1
c) term number 8; 8748

Interest (Simple)

If £180 is invested for 4 years with a simple interest rate of 4%, find the amount of interest earned. £28.80

Interest (Compound)

If £200 is invested with an interest rate of 6% compounded annually, find the value of the investment after 5 years. £267.65

Currency Exchange

If £1 is worth $1.26, convert:

a) £180 to dollars; $226.80

b) $140 to pounds; £111.11

Coordinates (Midpoint)

What are the coordinates of the midpoint of the line joining:

$(7,-9) \text{ and } (17,1)$

(12,-4)

Gradient

What is the gradient of the line joining:

$(4,-6) \text{ and } (9,-1)$

1

Coordinates (Square)

Here are the coordinates of 3 vertices of a square, what are the coordinates of the 4^th?

$(1,5),(4,11),(-5,8)$

(-2,14)

Negative Numbers

a) 9 − 20 = -11
b) 9 × (-11) = -99
c) (6−15)(9−15) = 54
d) 99 ÷ (-11) = -9
e) (-12)² = 144

Substitution

If p = 6, q = 25 and
r = -8 evaluate:

a) 2q − p = 44
b) pq + r = 142
c) p² − 5q - r = -81

Equations (Type 1)

Solve:

$2x = 12$

$x = 6$

Equations (Type 2)

Solve:

$3x -1= 23$

$x = 8$

Equations (Type 3)

Solve:

$9x +5= 5x + 13$

$x = 2$

Equations (Type 4)

Solve:

$5(2x -3)-6= 29$

$x = 5$

Equations (Type 5)

Solve:

$4(3x + 2)= 5(4x + 3)$

$x = -0.875$

Equations (Simultaneous 1)

Solve:

$3x-2y = 4$
$5x+2y = 44$

$x = 6, y = 7$

Equations (Simultaneous 2)

Solve:

$4x+3y = 43$
$7x-6y = 19$

$x = 7, y = 5$

Equations (Simultaneous 3)

Solve:

$2x+5y = 11.5$
$3x-2y = -25.5$

$x = -5.5, y = 4.5$

Sets (Union)

Find the union of:

{2,4,6,8,10} and
{1,3,5,7,9}

{1,2,3,4,5,6,7,8,9,10}

Sets (Intersection)

Find the intersection of:

{1,3,5,7,9} and
{6,7,8,9,10}

{7,9}

Bearings

A plane flies from point A to point B on a bearing of 278^o. What bearing would it return on from B to A? 098^o

Probability

A number is picked at random from the set

{1,2,3,4,5}

what is the probability it is even? $\frac25$

BIDMAS

Evaluate:

(14 − 7)² + 3 × 3

58

Simplify

Simplify the following by collecting like terms:

$3a+5b-3a+4b^2$

$5b+4b^2$

Ratio

Divide 266 in the ratio

10:9

140 and 126

Graph Linear (1)

Draw a rough sketch of the graph of:

$y=-2x-1$

Gradient -2
y intercept -1

Prime Factors

Express the following number as the product of prime numbers:

120

2 x 2 x 2 x 3 x 5

Percentage (Reverse)

In a sale an item costs £112 after a 20% reduction. What was the original price?

£140

Averages

Find the mean, mode, median and range of the following:

1,3,1,10,5

Mean = 4, mode = 1,
median = 3 and range = 9

Time (Analogue)

What time is this?

Time (Digital)

Sketch a clock face:

Decimals (Recurring)

Write the following recurring decimal as a fraction in its lowest terms.

0.646464... $\frac{64}{99}$

Percentage (Decrease)

Decrease £120 by 30%

£84

Brackets (Linear)

Expand:

$2(2x-3)$

$4x-6$

Brackets (Quadratic)

Expand:

$(x+1)(3x-1)$

$3x^2+2x-1$

Factorise (Linear)

Factorise:

$12x-14$

$2(6x-7)$

Factorise (Quadratic 1)

Factorise:

$x^2-x-12$

$(x+3)(x-4)$

Factorise (Quadratic 2)

Factorise:

$12x^2+5x-3$

$(4x+3)(3x-1)$

Circle Theorems

Which theorem?

Standard Form 2

Find the value of:

3.89 × 10^-4

= 0.000389

Standard Form 3

Write in standard form:

6130

= 6.13 × 10³

Standard Form 4

Write in standard form:

0.0000391

= 3.91 × 10^-5

Sequence (Quadratic)

Find the n^th term:

$16, 31, 52, 79, 112, $

$3n^2+6n+7$

Standard Form 5

Multiply 7 × 10⁶
by 7 × 10⁴ and give the answer in standard form.

= 4.9 × 10¹¹

Equations (Quadratic 1)

Solve:

$x^2+3x-10= 0$

$x = 2$ and $-5$

Equations (Quadratic 2)

Solve this equation giving the solutions to 3 significant figures:

$2x^2+5x-2 = 0$

$x = 0.351$ and $-2.85$

Polygon Angles

What is the size of each interior angle of a regular decagon?

144°

Change The Subject

Make $a$ the subject of the formula
$$b=2a-3$$

$$a=\frac{b+3}{2}$$

Basic Division 1

Calculate the value of:

3965 ÷ 5

= 793

Number Sequences 2

What is the 9th:
a) Cube number; 729
b) Triangular number; 45
c) Fibonacci number. 34

Square Numbers

What are the next three square numbers after
1

4, 9, 16

Prime Numbers

What are the three largest prime numbers less than
31

29, 23, 19

Last Lesson

Write down something you learnt in the previous mathematics lesson.

Last Week

Write down something you learnt in one of the mathematics lessons last week.

Angles

Calculate $x$.

Decimals (Ordering)

Write down these numbers: 0.2, 0.22, 2.2, 2.02, 2.22, 2, 0.02, in ascending order.
0.02, 0.2, 0.22, 2, 2.02, 2.2, 2.22,

Lengths (Ordering)

Write down these lengths: 1.8m, 17cm, 107cm, 18mm, 1.08m, 1.7cm, in order.
1.7cm, 18mm, 17cm, 107cm, 1.08m, 1.8m,

Capacities (Ordering)

Write down these capacities: 17cl, 18cl, 21cl, 173ml, 200ml, 18ml, in order.
18ml, 17cl, 173ml, 18cl, 200ml, 21cl,

Angles with Parallels 1

Angle diagram d = 99

Angles with Parallels 2

Angle diagram h = 75

Rounding (1sf)

Round to one significant figure:
a) 22.93; 20
b) 904304; 900000
c) 36; 40
d) 0.00327; 0.003

Estimation

Round each value to one significant figure to make an estimate:$$83 + 3.7 \times 22$$$80 + 4 \times 20 = 160$

Pie Charts (1)

A pie chart shows the colours of 24 books. What sector angle represents the
11 red books?
165°

Graph Linear (2)

What is the equation?

$y=10-2x$

Pie Charts (2)

A pie chart shows the colours of 20 hats. How many green hats are represented
by a sector
angle of 216°?
12

Surds (1)

Simplify:
$$\sqrt{75}$$
$5\sqrt{3}$

Surds (2)

Simplify:
$$\dfrac{3}{4\sqrt{2}}$$$\frac{3\sqrt{2}}{8}$

Surds (3)

Simplify:
$$\dfrac{4}{6 - \sqrt{5}}$$$\frac{24 + 4\sqrt{5}}{31}$