Follow up

Day 2

WALT: I am learning to add three or more numbers by first making up pairs that add up to 10.

1. 1 + 5 + 5 + 9 =20          5+5=10+9+1=20
2. 8 + 6 + 4 + 7 + 2 =27   6+4=10+8+2=20+7=27
3. 7 + 8 + 4 + 3 + 2 =24   7+3=10+8+2=20+4=24
4. 5 + 2 + 3 + 7 +8 =25    7+3=10+8+2=20+5=25
5. 8 + 6 + 4 + 7 +2 =27    6+4=10+8+2=20+7=27