Balancing Equations - Fill in the Blank - Answer Key

Sep 30, 2026

Uploaded by Riley

Balancing Equations worksheet focused on completing missing numbers to make both sides of each addition or subtraction equation equivalent. Items 1 through 15 present equations with blank terms, requiring students to determine the value that balances the expression. An included Answer Key section provides the correct filled-in values for each problem, supporting self-checking and assessment of computation accuracy across a range of sums and differences.

LanguageEnglish

CategoryExam

FormatPDF

Pages3

Reading Time8 min

AccessFree to download

Fill in the blank to balance the equation

Questions 1-15

Answers (Answer Key)

Balancing Equations (Fill in the Blank) Name: | Fill in the blank to balance the equation. | | | | | | | | Answers | | | | | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1) | 12 + 7 = 13 + | | | | | | | | | | | | | | 2)
3) | + 3 = 18-2
18 + = 9 + 11 | | | | | | | 1.
2.
3. | | | | | | | 4) | 8 + 2 = 17- | | | | | | | 4. | | | | | | | 5)
6) | 6 + = 12 + 7
+ 6 = 7 + 13 | | | | | | | 5.
6.
7. | | | | | | | 7) | 10 + = 16-3 | | | | | | | 8. | | | | | | | 8)
9) | 5 + = 14-2
+ 7 = 18-2 | | | | | | | 9.
10.
11. | | | | | | | 10) | 2 + 13 = + 7 | | | | | | | 12. | | | | | | | 11)
12) | 19 + 1 = + 18
10 + 10 = 16 + | | | | | | | 13.
14.
15. | | | | | | | 13) | + 16 = 10 + 10 | | | | | | | | | | | | | | 14) | 10 + = 19-1 | | | | | | | | | | | | | | 15) | + 3 = 8 + 1 | | | | | | | | | | | | | | | Math | [www.CommonCoreSheets.com](www.CommonCoreSheets.com) | 1-10
11-15 | 93 | 87 | 80 | 73 | 67 | 60 | 53 | 47 | 40 | 33 | | | | | | 27 | 20 | 13 | 7 | 0 | | | | | | Balancing Equations (Fill in the Blank) Name: Answer Key | Fill in the blank to balance the equation. | | | | | | | Answers | | | | | | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1) | 12 + 7 = 13 + 6 | | | | | | 1. 6 | | | | | | | | 2) | 13 + 3 = 18-2 | | | | | | 2. 13 | | | | | | | | 3) | 18 + 2 = 9 + 11 | | | | | | 3. 2 | | | | | | | | 4) | 8 + 2 = 17- 7 | | | | | | 4. 7 5. 13 | | | | | | | | 5) | 6 + 13 = 12 + 7 | | | | | | 6. 14 | | | | | | | | 6) | 14 + 6 = 7 + 13 | | | | | | 7. 3 | | | | | | | | 7) | 10 + 3 = 16-3 | | | | | | 8. 7 | | | | | | | | 8)
9) | 5 + 7 = 14-2
9 + 7 = 18-2 | | | | | | 9. 9 10. 8
11. 2 | | | | | | | | 10) | 2 + 13 = 8 + 7 | | | | | | 12. 4 | | | | | | | | 11)
12) | 19 + 1 = 2 + 18
10 + 10 = 16 + 4 | | | | | | 13. 4 14. 8
15. 6 | | | | | | | | 13) | 4 + 16 = 10 + 10 | | | | | | | | | | | | | | 14) | 10 + 8 = 19-1 | | | | | | | | | | | | | | 15) | 6 + 3 = 8 + 1 | | | | | | | | | | | | | | | Math | Seed: 1135290442-145 1-10
[www.CommonCoreSheets.com](www.CommonCoreSheets.com) 11-15 | 93 | 87 | 80 | 73 | | 67 | 60 | 53 | 47 | 40 | 33 | | | | | 27 | 20 | 13 | 7 | | 0 | | | | | | Balancing Equations (Fill in the Blank) Name: Fill in the blank to balance the equation. Answers 1) 12 + 7 = 13 + 2) + 3 = 18-2 3) 18 + = 9 + 11 4) 8 + 2 = 17- 5) 6 + = 12 + 7 6) + 6 = 7 + 13 7) 10 + = 16-3 8) 5 + = 14-2 9) + 7 = 18-2 10) 2 + 13 = + 7 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. | | | | | | | | | | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 1-10 90 80 70 60 50 40 30 20 10 0 Math Modified [www.CommonCoreSheets.com](www.CommonCoreSheets.com)

FAQs

What do students do in this worksheet?

Fill in the missing number in each equation so the left and right sides balance correctly.

How is the worksheet organized?

It lists problems numbered 1 through 15, each with a blank term to complete.

What is included besides the questions?

An Answer Key is provided with the correct filled-in values for each item.

Sep 30, 2026

Uploaded by Riley