Words and Definitions
The result when a number is subtracted from another number
difference
What is 22
4
What is the test of divisibility for 10
If the last digit is 0
Using the compensation method, work out this sum:
24 + 17
41
Operations that 'undo' each other if applied to a number one after the other
Inverse Operations
The factors of 18
1, 2, 3, 6, 9, 18
What is 122
144
What is the test of divisibility for 5
If the last digit is 5 or 0
Using the partition method, calculate the difference between:
764 and 572
192
A whole number that divides into another number without a remainder
Factor
The factors of 32
1, 2, 4, 8, 16, 32
What is the square root of 100
10
What is the test of divisibility for 2
If the last digit is divisible by 2 (an even number)
Using the half and half again method:
Divide 124 by 4
31
Can be divided without a remainder
Divisible
The factors of 50
1, 2, 5, 10, 25, 50
What is the square root of 36
6
Write down a number which is divisible by 5 and 10
Any number that ends in a zero
Using the repeated addition method, work out the calculation before:
6 x 9
54
The number you get when you multiply a whole number by itself
Square number
The factors of 100
1, 2, 4, 5, 10, 20, 25, 50, 100
What is the square root of 625
25
Write down a number that is divisible by 2 and 100
Any number that ends in 2 zeros
Using the partition method, calculate the product of:
426 x 7
2 982