Identifying True and False Equations (within 20) - Determine if the equation is true or false

Sep 30, 2026

Practice set for identifying whether given addition and subtraction equations are true or false within 20. The worksheet presents numbered problems such as 6-2 = 4 and 1 + 19 = 6, followed by an answer section listing which equations are true or false. An answer key is included to support checking results across multiple sets, covering both sum and difference cases using small whole numbers from 0 to 20.

LanguageEnglish

CategoryExam

FormatPDF

Pages30

Reading Time1 h 16 min

AccessFree to download

Determine if the equation is true or false

Problems (1-20)

Answers

Answer Key

Identifying True and False Equations (within 20) Name: Determine if the equation is true or false. 1) 6-2 = 4 2) 1 + 19 = 6 3) 5 + 15 = 14 4) 18-7 = 11 5) 2 + 6 = 12 6) 19-18 = 1 7) 10 + 3 = 12 8) 9 + 10 = 19 9) 11 + 5 = 16 1. 2. 3. 4. 5. 6. 7. 8. Answers 10) 7-3 = 4 11) 10-0 = 10 12) 7-4 = 3 13) 7-0 = 15 14) 6 + 1 = 7 15) 3-1 = 2 16) 0 + 2 = 18 17) 18-8 = 3 18) 8 + 12 = 4 19) 19-0 = 19 20) 4-4 = 0 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. Math [www.CommonCoreSheets.com](www.CommonCoreSheets.com) 1 1-10 11-20 95 45 90 40 85 35 80 30 75 25 70 20 65 15 60 10 55 5 50 0 Identifying True and False Equations (within 20) Name: Answer Key | Determine if the equation is true or false.
1) 6-2 = 4 | | Answers
1. true | | | --- | --- | --- | --- | | 2) | 1 + 19 = 6 | 2. | false | | 3) | 5 + 15 = 14 | 3. | false | | 4) | 18-7 = 11 | 4. | true | | 5) | 2 + 6 = 12 | 5. | false | | 6) | 19-18 = 1 | 6. | true | | | | | | | 7) | 10 + 3 = 12 | 7. | false | | 8) | 9 + 10 = 19 | 8. | true | | 9) | 11 + 5 = 16 | 9. | true | | 10) | 7-3 = 4 | 10. | true | | 11) | 10-0 = 10 | 11. | true | | 12) | 7-4 = 3 | | | | 13) | 7-0 = 15 | 12. | true | | | | | | | 14) | 6 + 1 = 7 | 13. | false | | | | | | | 15) | 3-1 = 2 | 14. | true | | | | | | | 16) | 0 + 2 = 18 | 15. | true | | | | | | | 17) | 18-8 = 3 | 16. | false | | | | | | | 18) | 8 + 12 = 4 | 17. | false | | | | | | | 19) | 19-0 = 19 | 18. | false | | | | | | | 20) | 4-4 = 0 | 19.
20. | true | | | | | true | Math [www.CommonCoreSheets.com](www.CommonCoreSheets.com) 1 1-10 11-20 95 45 90 40 85 35 80 30 75 25 70 20 65 15 60 10 55 5 50 0 Identifying True and False Equations (within 20) Name: Determine if the equation is true or false. Answers false true true true false false true true 1. true true true false false 2. 1) 6-2 = 4 3. 2) 1 + 19 = 6 4. 5. 3) 5 + 15 = 14 6. 4) 18-7 = 11 7. 5) 2 + 6 = 12 8. 9. 6) 19-18 = 1 10. 7) 10 + 3 = 12 11. 8) 9 + 10 = 19 12. 13. 9) 11 + 5 = 16 10) 7-3 = 4 11) 10-0 = 10 12) 7-4 = 3 13) 7-0 = 15 Math www. CoMommi[eSheets.com](eSheets.com 1 111--1103)[ 1](eSheets.com 1 111--1103)[ 111--1103](eSheets.com 1 111--1103) 92 85 7715 8 0 69 62 54 46 38 31 23 Identifying True and False Equations (within 20) Name: Determine if the equation is true or false. 1) 9 + 3 = 12 2) 14-3 = 2 3) 16 + 1 = 17 4) 14 + 2 = 16 5) 7-0 = 18 6) 10 + 5 = 14 7) 6-4 = 11 8) 14-6 = 15 9) 9-0 = 9 1. 2. 3. 4. 5. 6. 7. 8. Answers 10) 14 + 1 = 15 11) 2-0 = 2 12) 18-14 = 10 13) 4 + 9 = 13 14) 18-7 = 11 15) 7 + 5 = 12 16) 14-5 = 18 17) 19 + 1 = 15 18) 11-5 = 16 19) 7-0 = 11 20) 18 + 1 = 8 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. Math [www.CommonCoreSheets.com](www.CommonCoreSheets.com) 2 1-10 11-20 95 45 90 40 85 35 80 30 75 25 70 20 65 15 60 10 55 5 50 0 Identifying True and False Equations (within 20) Name: Answer Key | Determine if the equation is true or false.
1) 9 + 3 = 12 | | Answers
1. true | | | --- | --- | --- | --- | | 2) | 14-3 = 2 | 2. | false | | 3) | 16 + 1 = 17 | 3. | true | | 4) | 14 + 2 = 16 | 4. | true | | 5) | 7-0 = 18 | 5. | false | | 6) | 10 + 5 = 14 | 6. | false | | | | | | | 7) | 6-4 = 11 | 7. | false | | 8) | 14-6 = 15 | 8. | false | | 9) | 9-0 = 9 | 9. | true | | 10) | 14 + 1 = 15 | 10. | true | | 11) | 2-0 = 2 | 11. | true | | 12) | 18-14 = 10 | 12. | false | | 13) | 4 + 9 = 13 | | | | 14) | 18-7 = 11 | 13. | true | | | | | | | 15) | 7 + 5 = 12 | 14. | true | | | | | | | 16) | 14-5 = 18 | 15. | true | | | | | | | 17) | 19 + 1 = 15 | 16. | false | | | | | | | 18) | 11-5 = 16 | 17. | false | | | | | | | 19) | 7-0 = 1

FAQs

What does the worksheet ask you to do?

Determine whether each given equation is true or false.

What range are the equations in?

All equations are within 20, using numbers from 0 to 20.

Is an answer key provided?

Yes. The document includes an answer key that lists which problems are true or false.

Sep 30, 2026

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