Double Digit Addition No Regrouping
24+32
56
74+19
93
79-16
63
37-29
8
Leo ran a mile in 14 minutes. Sydney ran a mile in 28 minutes. How much faster was Leo than Sydney in the race?
28-14= 14 minutes faster
or
14+ 14 = 28 so 14 minutes faster
18+41
59
41+49
90
45-33
12
23-18
5
Jimmy and Steve were in a pie eating contest. Jimmy ate his entire pie in 49 seconds. Steve at his entire pie in 32 seconds!! Who was the winner and by how many seconds?
Steve was the winner by 17 seconds.
49-32= 17 seconds
or
32+17=49 so 17 seconds
30+49
79
65+26
91
78-64
14
58-49
9
Mia had 50 cents in her piggy bank. How much money did she have left after she bought an eraser and a pencil at the school store that cost a total of 37 cents?
50-37=13 cents
or
37 + 13 = 50 so 13 cents
43+46
89
88+42
130
89-78
11
85-67
18
Chris reads 27 pages of his book on Monday, 32 pages of his book on Tuesday, and 17 pages on his book on Wednesday. How many pages did he read all together?
27 + 32= 59
59+17=76 pages
or 27+32+17=76 pages
50+49
99
78+44
122
64-63
1
90-55
35
Wilson had 50 cents to spend at the school store. How much change does he get back if he buys an eraser for 27 cents and a pencil for 16 cents?
27+16=43
50-43-7 cents!