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Doubles are the facts in which both addends are the same. For example 3+3=6.
The doubles plus one are the facts in which one addend is larger than the other by one. Examples 3+4=7, 6+7=13, 5+6=11, 3+2=5. Learning your doubles plus one should involve knowing the doubles and mentally adding the additional one.
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What is the fact families for 6 7 42?
6 * 7 = 42 7 * 6 = 42 42 / 6 = 7 42 / 7 = 6
The the numbers 4 2 and 6 are a fact family make make two addition facts and two subbtraction facts?
2+4=6 6-4=2 6-2=4
Is how many addition or subtraction?
"How many ?" is counting. It can be the result of any math operation.In fact, "How many ?" is the question at the end of EVERY math problem. Whateverthe problem is, it always says "After you do this, how many do you wind up with ?"
What is fact family in first grade math?
Fact family in first grade math is using 3 numbers and using the operations: Addition and Subtraction.
What is the fact families for 7 9 63?
Well, isn't that just a happy little question! The fact families for 7, 9, and 63 are all related in a special way. You see, in this family, 7 x 9 = 63, 9 x 7 = 63, 63 ÷ 7 = 9, and 63 ÷ 9 = 7. Just like a family, each number has a special connection to the others.
