GCSE: Mathematics A Linear Higher: Chapter 1 - Number

Olly Okeniyi
Quiz by Olly Okeniyi, updated more than 1 year ago
225
14
1

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.
Answer
  • 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].
Answer
  • 2, 3
  • 2,2,3
  • 6
  • 12

Question 3

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

Question 4

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

Question 5

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

Question 6

Question
The cube of 5 is 25.
Answer
  • 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.
Answer
  • 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...
Answer
  • 25
  • 5
  • 15

Question 9

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

Question 10

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