Free Grade 3 Rules and Methods in Working with Adding Integers Common Errors Worksheets
Free Grade 3 worksheets for Rules and Methods in Working with Adding Integers Common Errors: 12 real questions with a full answer key and worked solutions. Integers include negative numbers. On a number line, adding moves right and subtracting moves left. Subtracting a negative is the same as adding.
Free
Higher
35 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- RememberIdentify rules and methods in working with adding integers common errors
Identify rules and methods in working with adding integers common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- UnderstandExplain rules and methods in working with adding integers common errors
Explain rules and methods in working with adding integers common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate rules and methods in working with adding integers common errors
Calculate rules and methods in working with adding integers common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare rules and methods in working with adding integers common errors
Compare rules and methods in working with adding integers common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
Prerequisites
Close these gaps first — each has its own free lesson, worksheet and quiz.
How Rules and Methods in Working with Adding Integers Common Errors works
Integers include negative numbers. On a number line, adding moves right and subtracting moves left. Subtracting a negative is the same as adding.
12 practice questions
Easy to hard, 24 marks in total. Try them first, then open the answers.
- 1.-7 + 3 = ?[1]
- 2.-9 − (-6) = ?[1]
- 3.-9 − (-9) = ?[1]
- 4.2 − 6 = ?[1]
- 5.8 × (-1) = ?[2]
- 6.0 × 1 = ?[2]
- 7.-9 − 2 = ?[2]
- 8.7 + 20 = ?[2]
- 9.14 − (-19) = ?[3]
- 10.0 − 17 = ?[3]
- 11.-28 × (-1) = ?[3]
- 12.-16 − 2 = ?[3]
Show answers and working
1. -4
Start at -7 on a number line. Move 3 right. You land on -4.
2. -3
Subtracting (-6) is the same as adding 6. -9 + 6 = -3
3. 0
Subtracting (-9) is the same as adding 9. -9 + 9 = 0
4. -4
Subtracting 6 is the same as adding -6. 2 + (-6) = -4
5. -8
Multiply the sizes: 8 × 1 = 8. Same signs give positive, different signs give negative. Answer: -8
6. 0
Multiply the sizes: 0 × 1 = 0. Same signs give positive, different signs give negative. Answer: 0
7. -11
Subtracting 2 is the same as adding -2. -9 + (-2) = -11
8. 27
Start at 7 on a number line. Move 20 right. You land on 27.
9. 33
Subtracting (-19) is the same as adding 19. 14 + 19 = 33
10. -17
Subtracting 17 is the same as adding -17. 0 + (-17) = -17
11. 28
Multiply the sizes: 28 × 1 = 28. Same signs give positive, different signs give negative. Answer: 28
12. -18
Subtracting 2 is the same as adding -2. -16 + (-2) = -18
Worked examples
-10 − 0 = ?
- Subtracting 0 is the same as adding 0.
- -10 + 0 = -10
- Answer: -10
-18 × 5 = ?
- Multiply the sizes: 18 × 5 = 90.
- Same signs give positive, different signs give negative.
- Answer: -90
- Answer: -90
13 − 19 = ?
- Subtracting 19 is the same as adding -19.
- 13 + (-19) = -6
- Answer: -6
Interactive practice
Free, no account required — answer on screen or print it.
Common mistakes
What learners typically get wrong, and how to fix it.
Thinks −8 is bigger than −3.
Correction: Further left on the number line means smaller.
Treats − (−4) as −4.
Correction: Two minus signs together become a plus.
Teacher tips
- · Use a vertical number line like a thermometer.
Parent tips
- · Compare winter temperatures from the weather forecast.
Real-life applications
- · Temperatures below zero, bank balances, floors below ground.
Assessment objectives
How mastery is evidenced, and which standards it maps to.
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Frequently asked
- Is this Grade 3 Rules and Methods in Working with Adding Integers Common Errors worksheet really free?
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- What should a learner already know before this?
- Start with Key Vocabulary of Working with Adding Integers Common Errors, Introduction to Working with Adding Integers Common Errors, Working with Adding Integers Word Problems. Each one has its own free lesson, worksheet and quiz.
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- Recognition first, then understanding, application, reasoning and finally mastery — the same ladder used across every free resource on the platform.
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- Move on to Working with Working with Adding Integers Common Errors, Working with Adding Integers Common Errors in Examinations, Working with Adding Integers Essentials, Working with Adding Integers Techniques, which build directly on this idea.
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