Choose all the double facts you can use to find the sum of 2+3?
1. 2+2
2. 5+5
3. 3+3
4. 1+1
You can use Double facts "2+2" and "3+3" to find the sum of 2+3. You're not necessarily matching the sum of 2+2 and 3+3 to the sum of 2+3... you are just using them because the facts are close to 2+3. For example: 8+7 = ?. An easy way to figure this fact out is to add 8+8, then subtract 1. Or add 7+7, then add 1. You are then using doubles to find the sum of 8+7 which is 15.
Stumped me for a minute but then it became pretty clear and easy. Hope this helps!
2+2
and if the child knows "take-away one" then the double fact 3+3 can be used.
2+3=
2+3=__
2+3=
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3 plus 2 equal 5
Write a double fact you can use to find the sum write the sum 2+3=_
__+___=____
What is answer