Doubles Facts
Doubles plus 1
Doubles minus 1
Ten more
Ten less
100
A doubles fact with the sum of 2
What is 1+1
100
Same as 2+2+1
What is 2+3
100
Same as 1+2+2
What is 3+2
100
Ten more than 10
What is 20
100
Ten less than 10
What is 0
200
Doubles fact with the sum of 4
What is 2+2
200
Same as 3+3+1
What is 3+4
200
1+3+3
What is 4+3
200
Ten more than 30
What is 40
200
Ten less than 30
What is 20
300
A Doubles fact with the sum of 6
What is 3+3
300
Same as 4+4+1
What is 4+5
300
Same as 1+4+4
What is 5+4
300
Ten more than 50
What is 60
300
Ten less than 50
What is 40
400
Doubles fact with the sum of 8
What is 4+4
400
Same as 5+5+1
What is 5+6
400
1+5+5
What is 6+5
400
Ten more than 65
What is 75
400
Ten less than 22
What is 12
500
Doubles fact with the sum of 10
What is 5+5
500
Same as 6+6+1
What is 6+7
500
Same as 1+6+6
What is 7+6
500
Ten more than 87
What is 97
500
Ten less than 88
What is 78
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