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Home--maths--First Grade--Subtraction Facts 7 and 8

Subtraction Facts 7 and 8

Subtraction

Subtraction is removing some objects from a group. The meaning of 5-3=2 is "Three objects are taken away from a group of five objects and two objects remain".

Subtraction Facts

 Zero 0-0=0 One 1-0=1 1-1=0 Two 2-0=2 2-1=1 2-2=0 Three 3-0=3 3-1=2 3-2=1 3-3=0 Four 4-0=4 4-1=3 4-2=2 4-3=1 4-4=0 Five 5-0=5 5-1=4 5-2=3 5-3=2 5-4=1 5-5=0 Six 6-0=6 6-1=5 6-2=4 6-3=3 6-4=2 6-5=1 6-5=1 Seven 7-0=7 7-1=6 7-2=5 7-3=4 7-4=3 7-5=2 7-6=1 7-7=0 Eight 8-0=8 8-1=7 8-2=6 8-3=5 8-4=4 8-5=3 8-6=2 8-7=1 8-8=0 Nine 9-0=9 9-1=8 9-2=7 9-3=6 9-4=5 9-5=4 9-6=3 9-7=2 9-8=1 9-9=0 Ten 10-0=10 10-1=9 10-2=8 10-3=7 10-4=6 10-5=5 10-6=4 10-7=3 10-8=2 10-9=1 10-10=0 Eleven 11-1=10 11-2=9 11-3=8 11-4=7 11-5=6 11-6=5 11-7=4 11-8=3 11-9=2 11-10=1 Twelve 12-2=10 12-3=9 12-4=8 12-5=7 12-6=6 12-7=5 12-8=4 12-9=3 12-10=2 Thirteen 13-3=10 13-4=9 13-5=8 13-6=7 13-7=6 13-8=5 13-9=4 13-10=3 Fourteen 14-4=10 14-5=9 14-6=8 14-7=7 14-8=6 14-9=5 14-10=4 Fifteen 15-5=10 15-6=9 15-7=8 15-8=7 15-9=6 15-10=5 Sixteen 16-6=10 16-7=9 16-8=8 16-9=7 16-10=6 Seventeen 17-7=10 17-8=9 17-9=8 17-10=7 Eighteen 18-8=10 18-9=9 18-10=8 Nineteen 19-9=10 19-10=9 Twenty 20-10=10

An example of subtraction. 8 - 5 = 3

5 + 3 = 8

 1 2 3 4 5 6 7 8 - 1 2 3 4 5 = 1 2 3

#### What is the Difference Between the two Numbers?

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