adding on ten-by Harley

Learning-Intention:.W.A.L.T.- ware learning to add to make a whole ten.

Success-Criteria: I know am successful when I can add two numbers to make a whole ten.

Problems: Choose two numbers that make ten than add to find the answer 

1) 7+4+3=14

I know its 14 because 7+3=10+4=14

2) 9+1+7+2=19

I know its 19 because 9+1=10 and 7+2=9 so 10+9=19

3) 9+1+7+2=26

I know its 26 because 2+8=10 and 7+3=10 so 10+10=20+6 =26

4)9+12+8+11+4=44

I know its 44 because 12+8=20 and 11+9=20 so 20+20=40+4=44