# GCSE: Mathematics A Linear Higher: Chapter 1 - Number

Quiz by Olly Okeniyi, updated more than 1 year ago
 Created by Olly Okeniyi over 5 years ago
236
15

### Description

Includes: Prime factors, Highest Common factors, Lowest Common Multiples, Squares, Roots, Cubes, Reciprocals and Index laws

## Resource summary

### Question 1

Question
The prime factors of 30 are 2, 3 and 5.
• True
• False

### Question 2

Question
The prime factors of 6 are [blank_start]2, 3[blank_end]. The prime factors of 12 are [blank_start]2,2,3[blank_end]. Therefore the highest common factor of both 6 and 12 is [blank_start]6[blank_end]. And the lowest common multiple is [blank_start]12[blank_end].
• 2, 3
• 2,2,3
• 6
• 12

### Question 3

Question
What is the highest common factor of 12 and 15?
• 2
• 3
• 5
• 6

### Question 4

Question
The lowest common multiple of 6 and 8 is 25
• True
• False

### Question 5

Question
What is the square of 16?
• 144
• 121
• 256
• 196

### Question 6

Question
The cube of 5 is 25.
• True
• False

### Question 7

Question
The square of 1 is [blank_start]1[blank_end]. The square of 2 is [blank_start]4[blank_end]. The square of 3 is [blank_start]9[blank_end]. The square of 4 is [blank_start]16[blank_end]. The square of 5 is [blank_start]25[blank_end]. The square of 6 is [blank_start]36[blank_end]. the square of 7 is [blank_start]49[blank_end]. The square of 8 is [blank_start]64[blank_end]. The square of 9 is [blank_start]81[blank_end]. The square of 10 is 100. The square of 11 is [blank_start]121[blank_end]. the square of 12 is [blank_start]144[blank_end]. When squares are [blank_start]negative[blank_end] they answer is positive because a negative times a negative equals a positive.
• 1
• 2
• 8
• 4
• 27
• 9
• 8
• 16
• 25
• 20
• 36
• 42
• 49
• 60
• 64
• 144
• 1000
• 100
• 121
• 123
• 166
• 144
• positive
• negative

### Question 8

Question
the cubed root of 125 is...
• 25
• 5
• 15

### Question 9

Question
You find the cube root of a number by dividing it by 3
• True
• False

### Question 10

Question
The reciprocal of 5 is 1/5
• True
• False

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