Addition without Regrouping
10 + 20 = _?_
How many ones are there in the number 14?
4
20 - 10 = _?_
15 + 16 = _?_
31
4 - 8 = ?
15 + 13 = _?_
28
How many tens are there in the number 24?
2
35 - 22 = _?_
13
23 + 17 = _?_
40
12 - 15 = ?
-3
54 + 21 = _?_
75
How many ones are in the number 120?
0
68 - 42 = _?_
26
77 + 15 = _?_
92
-3 - 6 = ?
-9
120 + 100 = _?_
220
What number has 5 ten and 8 ones?
58
135 - 10 = _?_
125
125 + 25 = _?_
150
-5 + 10 = ?
5
245+ 33 = _?_
278
How many tens are in the number 347?
4
387 - 14 = _?_
373
398 + 13 = _?_
411
-13 + 8 =?
-5