Addition With Regrouping
63 + 27=
90
What number is in the tens place?
79
7
45+ 17
62
Write 35 in expanded notation.
30 + 5 =35
8+8 =
16
54 + 26=
80
What number is in the ones place ?
85
61 + 37
98
Write 56 in expanded notation.
50 + 6 = 56
What is the answer to an addition problem called?
Sum
28+56=
84
What number is in the tens place?
29
39+30=
69
Write 87 in expanded notation.
80 + 7 = 87
What is the answer to a subtraction problem called?
Difference
27 + 15=
42
What is the value of 6 tens?
60
74+10=
84
Write 69 in expanded notation.
60 + 9 = 69
8-5=
3
33 + 17
50
What is the value of 4 tens?
26
54+18=
72
Write 72 in expanded notation.
70 + 2 = 72
12 + 12 =
24