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💡 No regrouping means the ones digits still add to 9 or less, even with bigger numbers!
Example: 53 + 24 = 77 → ones: 3 + 4 = 7 ✓ tens: 5 + 2 = 7 ✓
1 Solve — Sums up to 60 ➕
Add the numbers. No carrying needed!
50 + 8 =
42 + 15 =
51 + 6 =
34 + 23 =
43 + 14 =
52 + 7 =
31 + 28 =
55 + 4 =
2 Solve — Sums up to 80 ➕
These sums go higher — same method!
60 + 14 =
53 + 24 =
61 + 17 =
45 + 32 =
72 + 5 =
54 + 23 =
63 + 16 =
40 + 38 =
3 Solve — Sums up to 100 ➕
All the way to 100! No regrouping needed.
80 + 15 =
71 + 28 =
62 + 37 =
53 + 46 =
84 + 13 =
41 + 58 =
73 + 26 =
50 + 50 =
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4 Vertical Addition ⬇️
Add ones, then tens. No regrouping!
5 Find the Missing Number 🔍
What number goes in the blank?
51 + = 78
+ 34 = 67
62 + = 89
+ 45 = 99
40 + = 90
+ 21 = 84
73 + = 96
+ 52 = 75
6 Word Problems 📖
Read each story. Write the number sentence and the answer.
- 1. A school has 52 first-graders and 43 second-graders. How many students in all?
+ =
- 2. A farmer has 61 chickens and 28 ducks. How many birds on the farm?
+ =
- 3. Nora read 34 pages on Monday and 45 pages on Tuesday. How many pages did she read?
+ =
- 4. There are 73 red blocks and 24 blue blocks. How many blocks altogether?
+ =
Ex.1: 58, 57, 57, 57, 57, 59, 59, 59
Ex.2: 74, 77, 78, 77, 77, 77, 79, 78
Ex.3: 95, 99, 99, 99, 97, 99, 99, 100
Ex.4: 77, 99, 87, 89, 98, 99
Ex.5: 27, 33, 27, 54, 50, 63, 23, 23
Ex.6: 52+43=95, 61+28=89, 34+45=79, 73+24=97