Let’s go through each problem one by one. I’ll solve them carefully and check my work as I go.
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Problem 1:
25 - 11 = ?
25 minus 10 is 15, minus 1 more is
14
Problem 2:
13 - 13 = ?
Any number minus itself is
0
Problem 3:
25 + 13 = ?
25 + 10 = 35, plus 3 =
38
Problem 4:
37 + 10 = ?
Adding 10 just increases the tens digit: 37 →
47
Problem 5:
19 - 10 = ?
Take away 10 from 19 →
9
Problem 6:
15 - 7 = ?
15 - 5 = 10, then -2 more =
8
Problem 7:
19 + 12 = ?
19 + 10 = 29, +2 =
31
Problem 8:
22 - 12 = ?
22 - 10 = 12, -2 =
10
Problem 9:
14 + 7 = ?
14 + 6 = 20, +1 =
21
Problem 10:
18 - 4 = ?
18 - 4 =
14
Problem 11:
21 - 12 = ?
21 - 10 = 11, -2 =
9
Problem 12:
15 + 7 = ?
15 + 5 = 20, +2 =
22
Problem 13:
16 + 16 = ?
Double of 16 is
32
Problem 14:
22 - 14 = ?
22 - 10 = 12, -4 =
8
Problem 15:
28 - 20 = ?
Just take away 20 →
8
Problem 16:
33 + 17 = ?
33 + 10 = 43, +7 =
50
Problem 17:
20 + 10 = ?
Easy! →
30
Problem 18:
17 - 7 = ?
17 - 7 =
10
Problem 19:
14 - 10 = ?
→
4
Problem 20:
19 - 4 = ?
→
15
Problem 21:
25 - 25 = ?
Same number →
0
Problem 22:
17 + 30 = ?
17 + 30 =
47
Problem 23:
42 - 10 = ?
→
32
Problem 24:
14 - 14 = ?
→
0
Problem 25:
27 + 21 = ?
27 + 20 = 47, +1 =
48
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All answers checked and verified.
Final Answer:
14, 0, 38, 47, 9, 8, 31, 10, 21, 14, 9, 22, 32, 8, 8, 50, 30, 10, 4, 15, 0, 47, 32, 0, 48
Parent Tip: Review the logic above to help your child master the concept of 2nd grade math worksheets pdf.
