Page 99 - NUMINO_WB_1B
P. 99
034-B2-1
Adding Three Numbers (Vertical Format)
1. Use doubles or make a ten. Add three numbers.
Example +6 a. 5 +6
6
3
6 +5
+3
b. 4 +7 c. 7
4 65
+7 +6 +
d. 4 +3 e. 9
6 55
+3 +1 +
f. 3 g. 8 +8
65 2
+7 + +8
Adding Three Numbers (Vertical Format)
1. Use doubles or make a ten. Add three numbers.
Example +6 a. 5 +6
6
3
6 +5
+3
b. 4 +7 c. 7
4 65
+7 +6 +
d. 4 +3 e. 9
6 55
+3 +1 +
f. 3 g. 8 +8
65 2
+7 + +8
