Refreshing Revision

Number Sequences 1

What is the 8th:
a) Odd number; 15
b) Square number; 64
c) Prime number. 19

Factors

Find all the factors of:

30

1, 2, 3, 5, 6, 10, 15, 30.

Multiples

Subtract the 7th from the 11th multiples of:

9

36

Polygons

What are the names of regular polygons with:
a) eight sides;
b) nine sides;
c) ten sides.

Octagon, Nonagon and Decagon (all regular)

Rounding (3sf)

Round to three significant figures:
a) 58.37; 58.4
b) 194531; 195000
c) 93; 93.0
d) 0.009395; 0.00940

Area of a Triangle

Find the area of a triangle that has a base of 3cm and a height of 7cm.

10.5cm²

Area of a Trapezium

Find the area of a trapezium that has a base of 12cm, a height of 12cm and a top (parallel to base) of 6cm. 108cm²

Fractions (Adding)

Evaluate:

$ \frac{4}{5} + \frac{6}{9}$ $= 1\frac{7}{15}$

Fractions (Multiplying)

Evaluate:

$ \frac{1}{3} × \frac{5}{7}$ $= \frac{5}{21}$

Fractions (Dividing)

Evaluate:

$ \frac{2}{3} ÷ \frac{5}{4}$ $= \frac{8}{15}$

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 to 3 significant figures.

$ \frac{1}{6}$ $= 16.7$%

Circle Area

Find the area of a circle that has a radius of 5cm. Give your answer to three significant figures.

78.5cm²

Circle Circumference

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

50.3cm

Decimals (Adding)

Calculate the value of:

7.8 + 4.5

= 12.3

Decimals (Subtracting)

Calculate the value of:

6.1 − 1.6

= 4.5

Decimals (Multiplying)

Calculate the value of:

6.4 × 9.4

= 60.16

Decimals (Dividing)

Calculate the value of:

104.4 ÷ 12

= 8.7

Indices (Simple)

What is the value of:

1³

= 1

Indices (Advanced)

What is the value of:

$2^{1}$

$= 2$

Basic Addition

Calculate the value of:

57 + 66

= 123

Basic Subtraction

Calculate the value of:

93 − 26

= 67

Basic Multiplication

Calculate the value of:

63 × 43

= 2709

Basic Division 2

Calculate the value of:

1027 ÷ 13

= 79

Percentage (Of)

Find the value of:

25% of 320

= 80

Standard Form 1

Find the value of:

5.71 × 10³

= 5710

Highest Common Factor

Find the highest common factor of twenty four and twenty.

= 4

Times Tables (2-5)

9 × 2 = 18	4 × 3 = 12
3 × 4 = 12	6 × 2 = 12
5 × 2 = 10	7 × 3 = 21
8 × 3 = 24	2 × 4 = 8

Times Tables (2-12)

5 × 3 = 15	4 × 12 = 48
9 × 10 = 90	8 × 9 = 72
6 × 5 = 30	3 × 5 = 15
7 × 6 = 42	2 × 6 = 12

Times Tables (2)

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

Times Tables (3)

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

Times Tables (4)

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

Times Tables (5)

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

Times Tables (6)

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

Times Tables (7)

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

Times Tables (8)

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

Times Tables (9)

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

Times Tables (12)

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

Fractions (Equivalent)

Write this fraction in its simplest form:

$ \frac{4}{12}$ $= \frac{1}{3}$

Fractions (Mixed)

Evaluate:

$ 2\frac{4}{5} − \frac{8}{9}$ $= 1\frac{41}{45}$

Pythagoras

Find AB if AC = 3.3m and BC = 4.4m. 2.91m

Trigonometry (Angle)

Find angle ABC if AC = 4.9m and AB = 6.9m. 35.4^o

Trigonometry (Side)

Find AC if angle BCA = 70^o and AB = 6m. 2.18m

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}{6}$ $= 0.667$

Decimal to Fraction

Convert this decimal to a fraction.

$0.57$ = $ \frac{57}{100}$

Percentage (Increase)

Increase £180 by 30%

£234

Lowest Common Multiple

What is the lowest common multiple of ten and twenty five.

= 50

Sequence (Arithmetic)

7,21,35,49,63...

Find the:
a) next term; 77
b) n^th term; 14n - 7
c) term number 48; 665

Sequence (Geometric)

5,20,80,320,1280...

Find the:
a) next term; 5120
b) n^th term; 5 × 4^n-1
c) term number 8; 81920

Interest (Simple)

If £100 is invested for 5 years with a simple interest rate of 1%, find the amount of interest earned. £5.00

Interest (Compound)

If £100 is invested with an interest rate of 2% compounded annually, find the value of the investment after 7 years. £114.87

Currency Exchange

If £1 is worth $1.22, convert:

a) £240 to dollars; $292.80

b) $100 to pounds; £81.97

Coordinates (Midpoint)

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

$(-5,1) \text{ and } (1,11)$

(-2,6)

Gradient

What is the gradient of the line joining:

$(8,9) \text{ and } (14,14)$

$\frac{5}{6}$

Coordinates (Square)

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

$(5,4),(8,8),(1,7)$

(4,11)

Negative Numbers

a) 10 − 19 = -9
b) 10 × (-12) = -120
c) (6−14)(6−11) = 40
d) 120 ÷ (-12) = -10
e) (-7)² = 49

Substitution

If p = 5, q = 24 and
r = -7 evaluate:

a) 2q − p = 43
b) pq + r = 113
c) p² − 5q - r = -88

Equations (Type 1)

Solve:

$4x = 36$

$x = 9$

Equations (Type 2)

Solve:

$4x -6= 18$

$x = 6$

Equations (Type 3)

Solve:

$6x -4= 5x + -1$

$x = 3$

Equations (Type 4)

Solve:

$5(2x -6)-6= 14$

$x = 5$

Equations (Type 5)

Solve:

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

$x = -0.5$

Equations (Simultaneous 1)

Solve:

$2x+3y = 24$
$5x-3y = -3$

$x = 3, y = 6$

Equations (Simultaneous 2)

Solve:

$4x-4y = -4$
$6x-12y = -36$

$x = 4, y = 5$

Equations (Simultaneous 3)

Solve:

$2x-2y = 4$
$3x+5y = 46$

$x = 7, y = 5$

Sets (Union)

Find the union of:

{6,7,8,9,10} and
{1,3,6,10,15}

{1,3,6,7,8,9,10,15}

Sets (Intersection)

Find the intersection of:

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

{5,6,7,8}

Bearings

A plane flies from point A to point B on a bearing of 180^o. What bearing would it return on from B to A? 360^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:

8² − 9 × 9 + 2

-15

Simplify

Simplify the following by collecting like terms:

$3n+7−2n+8$

$n+15$

Ratio

Divide 100 in the ratio

3:7

30 and 70

Graph Linear (1)

Draw a rough sketch of the graph of:

$y=-2x+2$

Gradient -2
y intercept 2

Prime Factors

Express the following number as the product of prime numbers:

216

2 x 2 x 2 x 3 x 3 x 3

Percentage (Reverse)

In a sale an item costs £60 after a 25% reduction. What was the original price?

£80

Averages

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

1,2,3,4,5

Mean = 3, no mode,
median = 3 and range = 4

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.

0.949494... $\frac{94}{99}$

Percentage (Decrease)

Decrease £180 by 45%

£99

Brackets (Linear)

Expand:

$9(3x-8)$

$27x-72$

Brackets (Quadratic)

Expand:

$(2x+4)(4x-3)$

$8x^2+10x-12$

Factorise (Linear)

Factorise:

$24x-30$

$6(4x-5)$

Factorise (Quadratic 1)

Factorise:

$x^2+x-12$

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

Factorise (Quadratic 2)

Factorise:

$5x^2+2x-3$

$(x+1)(5x-3)$

Circle Theorems

Which theorem?

Standard Form 2

Find the value of:

3.39 × 10^-4

= 0.000339

Standard Form 3

Write in standard form:

24500

= 2.45 × 10⁴

Standard Form 4

Write in standard form:

0.0496

= 4.96 × 10^-2

Sequence (Quadratic)

Find the n^th term:

$-2, 7, 20, 37, 58, $

$2n^2+3n-7$

Standard Form 5

Multiply 5 × 10³
by 8 × 10⁶ and give the answer in standard form.

= 4 × 10¹⁰

Equations (Quadratic 1)

Solve:

$x^2-x-12= 0$

$x = 4$ and $-3$

Equations (Quadratic 2)

Solve this equation giving the solutions to 3 significant figures:

$4x^2+5x-1 = 0$

$x = 0.175$ and $-1.43$

Polygon Angles

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

108°

Change The Subject

Make $k$ the subject of the formula
$$c=\frac{a(2+k)}{b}$$

$$k=\frac{bc}{a}-2$$

Basic Division 1

Calculate the value of:

3528 ÷ 8

= 441

Number Sequences 2

What is the 11th:
a) Cube number; 1331
b) Triangular number; 66
c) Fibonacci number. 89

Square Numbers

What are the next three square numbers after
25

36, 49, 64

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: 8, 8.08, 8.88, 8.8, 0.88, 0.8, 0.08, in ascending order.
0.08, 0.8, 0.88, 8, 8.08, 8.8, 8.88,

Lengths (Ordering)

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

Capacities (Ordering)

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

Angles with Parallels 1

Angle diagram f = 132

Angles with Parallels 2

Angle diagram d = 91

Rounding (1sf)

Round to one significant figure:
a) 51.83; 50
b) 227254; 200000
c) 82; 80
d) 0.00571; 0.006

Estimation

Round each value to one significant figure to make an estimate:$$83 + 3.7 \times 31$$$80 + 4 \times 30 = 200$

Pie Charts (1)

A pie chart shows the colours of 12 books. What sector angle represents the
10 red books?
300°

Graph Linear (2)

What is the equation?

$y=5-0.5x$

Pie Charts (2)

A pie chart shows the colours of 180 hats. How many green hats are represented
by a sector
angle of 76°?
38