Maths review

week 1

100

The ____ of a number x is another number, which when multiplied by itself a given number of times, equals x.

root

200

a mathematical statement consisting of an equal symbol between two algebraic expressions that have the same value.

mathematical
equation

300

The _________  is basically the guideline to have the right angles when drawing from an isometric perspective.

isometric grid

400

is a four-sided shape where every

angle is a right angle (90°).

Also opposite sides are parallel

and of equal length.

rectangle

500

The prefix _____ is used to show that a measurement is 1⁄1000 (or 0.001) of the base measurement.

The prefix _____ is used to show that a measurement is 1000 times as large of the base measurement:

milli

kilo

week 2

100

____________of numbers are characterized by the fact that to get from one term to the next we always add the same amount.

Linear sequences

200

Find the next term in the sequence below.

7, 15, 23, 31, ?

39

300

If  t_n=1/2 n(n+1)  , find which term equal to 15

t₅

400

Find the 10th term of the arithmetic sequence

-9, -2, 5, 12, …

a_n = a₁ + (n -1)d

54

500

If a sequence has a first term of a₁=12 and a common difference d=-7. find 4th term using the formulae.

a_n = a₁ + (n -1)d  

-9

week 3

100

________ means making a number simpler but keeping its value close to what it was.

rounding

200

What for stands BIDMAS?

Brackets, Indices, Division, Multiplication, Addition, Subtraction.

300

tell the order of operations

7 + (6 × 52 + 3)

7 + (6 × 25 + 3)

7 + (150 + 3)

7 + (153)

160

400

Calculate the value of

(2×33)÷(15−9).

9

500

Write the expression 

42q² * pq / 28p³ : (9p - 5p)

in its simplest form.

6q³/p

week 4

100

A symbol for a value we don't know yet. It is usually a letter like x or y.

Variable

200

A rule or fact written with mathematical symbols.

Formula

300

If x=3, y=4, then what is x2 + x(y-3x)

-6

400

When x=8, what is

x2 + y(-2x - 11)

64 – 27y

500

Put brackets in correct place to get an answer:

-7 ∗ 8 : 2 + 5 + 1/4  : 3/16 = 0

-7 ∗ 8 : 2 + (5 + 1/4)  : 3/16 = 0

week 5

100

a number says how many times to use the number in a multiplication.

index/ exponent/ power

200

The corner point of an angle is called ______.

vertex

300

Lines are ________ if they are always the same distance apart (called "equidistant"), and will never meet.

parallel

400

A _____ has equal sides and every angle is a right angle (90°)

Also opposite sides are parallel.

square

500

The sum of interior angles quadrilaterals is ___^o and triangles is ___^o

360^o / 180^o