Page 42 - PlayFacto_P4
P. 42
Complete the addition table. What makes 7
if I have 4?
⑴
+21
4657
45
34
⑵ 1 5
+
58
2 47
12
4. Speed addition 39
if I have 4?
⑴
+21
4657
45
34
⑵ 1 5
+
58
2 47
12
4. Speed addition 39