Subtract
26 - 4 =
22
25 - 10
15
43 - 26 = 17
__ + __ = __
43 - 26 = 17
26 + 17 = 43
A joke book has 96 jokes. 58 are knock-knock jokes. The rest are riddles. How many riddles are there?
96 - 58 = 38
The answer to an addition problem
sum
41 - 5
36
63 - 13 =
50
51 - 28 = 23
__ + __ = __
51 - 28 = 23
23 + 28 = 51
A museum has 71 fossils. 47 are dinosaur fossils. The rest are fish fossils. How many fish fossils are there?
71 - 47 = 24
The answer to a subtraction problem
Difference
47 - 8
34
26 - 19 =
7
75 - 37 = 38
__ + __ = __
75 - 37 = 38
37 + 38 = 75
Would you regroup to find the difference?
67 – 8 =
yes, more on the floor borrow next door!
One ten = ____ ones
10
42 - 6
36
43 - 26 =
17
76 - 58 = 18
__ + __ = __
76 - 58 = 18
18 + 58 = 76
There are 58 books in the library. Some friends borrow 12 books. How many books are in the library now?
58 - 12 = 46
46 books
10 ones = ___ ten
1
65 - 8
57
51 - 47 =
4
47 - 39 = 8
__+ __ = __
47 - 39 = 8
39 + 8 = 47
Would you regroup to find the difference?
55 – 4 =
No, more on top no need to stop!
More on the floor, borrow next door. Tells us that we have to _______.
regroup