Let’s solve each equation one by one. We need to find how many dots are missing in the blank square so that when we add them to the dots already shown, we get the number on the right side of the equals sign.
We’ll go row by row, left to right.
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Row 1:
- First problem:
🟥 (1 dot) + □ = 2
So, 1 + ? = 2 → Missing dots =
1
- Second problem:
🟥🟥 (4 dots) + □ = 9
So, 4 + ? = 9 → Missing dots =
5
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Row 2:
- Third problem:
🟥🟥 (2 dots) + □ = 10
So, 2 + ? = 10 → Missing dots =
8
- Fourth problem:
🟥🟥🟥🟥 (4 dots) + □ = 5
So, 4 + ? = 5 → Missing dots =
1
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Row 3:
- Fifth problem:
🟥 (1 dot) + □ = 4
So, 1 + ? = 4 → Missing dots =
3
- Sixth problem:
🟥🟥🟥 (3 dots) + □ = 6
So, 3 + ? = 6 → Missing dots =
3
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Row 4:
- Seventh problem:
□ + 🟥 (2 dots) = 3
So, ? + 2 = 3 → Missing dots =
1
- Eighth problem:
□ + 🟥🟥🟥 (5 dots) = 8
So, ? + 5 = 8 → Missing dots =
3
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Row 5:
- Ninth problem:
□ + 🟥🟥🟥 (3 dots) = 8
So, ? + 3 = 8 → Missing dots =
5
- Tenth problem:
□ + 🟥🟥🟥🟥🟥 (6 dots) = 7
So, ? + 6 = 7 → Missing dots =
1
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Row 6:
- Eleventh problem:
🟥🟥 (2 dots) + □ = 7
So, 2 + ? = 7 → Missing dots =
5
- Twelfth problem:
🟥🟥🟥🟥 (4 dots) + □ = 4
So, 4 + ? = 4 → Missing dots =
0
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✔ Let’s double-check a few to be sure:
- Row 1, first: 1 + 1 = 2 ✔️
- Row 2, second: 4 + 1 = 5 ✔️
- Row 6, last: 4 + 0 = 4 ✔️
- Row 4, second: 3 + 5 = 8 ✔️
All look correct!
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Final Answer:
The missing dots for each box (in order from top-left to bottom-right) are:
1, 5, 8, 1, 3, 3, 1, 3, 5, 1, 5, 0
Parent Tip: Review the logic above to help your child master the concept of printable free math worksheet.
