Page 61 - Spark of math 1
P. 61
(4-4) Adding 2-Digit Numbers
first add then, add
14 14 53 53 ones
tens
14 14 1 4
14
14
4
1
53
53
+ 53 + 53 + 5 3
+
+
3
5
+ + +
7
7 7 6 6 7
the sum
Add
23 47 76 34
+ 62 + 50 + 2 + 11
8 5
Find the sum. 21
+ 50
+
42 + 15 =
22 + 13 = 15
At home.
Write two numbers with the sum 64:
61
