Place value
25
What is 1/4 + 1/4?
2/4 or 1/2
1-5
-4
y + 3 = 5
y = 2
4(s + 4)
4s + 16
What is 30 - 9?
21
What is 1/3 + 1/3?
2/3
-4 + 6
2
y - 3 = 4
y = 7
2(3s + 5)
6s + 10
What is 48 + 59?
107
What is 4/7 + 1/7?
5/7
-4 - 10
-14
y + 4 = -4
y = -8
5(s + 7) - 10
5s + 25
What is 349 + 468?
817
What is 2/3 + 2/3?
4/3 or 1 and 1/3
5 - 27
-22
4(y) = 12
y = 3
4(s + 7) = 36
s = 2
What is 1000 - 874?
126
What is 2/17 + 16/17?
18/17 or 1 and 1/17
-47 - 18
-65
y รท 3 = 3
y = 9
2(s + 1) - 5 = 11
s = 7