Page 44 - PlayFacto_A1
P. 44
Making 5 and 15
There are three numbers. Group two numbers if the sum or difference
is either 5 or 15, then write the number sentences.
111
23 23 23
The sum is 5: The difference is 5: The sum is 15:
3+2=5 94=5 7 + 8 = 15
⑴ ⑵ 1
1
23 23
⑶ ⑷
1 1
23 23
4. Making 5 and 15 41
There are three numbers. Group two numbers if the sum or difference
is either 5 or 15, then write the number sentences.
111
23 23 23
The sum is 5: The difference is 5: The sum is 15:
3+2=5 94=5 7 + 8 = 15
⑴ ⑵ 1
1
23 23
⑶ ⑷
1 1
23 23
4. Making 5 and 15 41