Free Grade 3 Working with Introducing Adding Integers Common Errors Quizzes
Free Grade 3 quizzes for Working with Introducing 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
Stretch
30 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- RememberIdentify working with introducing adding integers common errors
Identify working with introducing adding integers common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- UnderstandExplain working with introducing adding integers common errors
Explain working with introducing adding integers common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate working with introducing adding integers common errors
Calculate working with introducing adding integers common errors accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare working with introducing adding integers common errors
Compare working with introducing 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 Working with Introducing 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 − (-10) = ?[1]
- 2.5 − 8 = ?[1]
- 3.0 + (-10) = ?[1]
- 4.10 − 1 = ?[1]
- 5.-7 + (-2) = ?[2]
- 6.-4 × (-13) = ?[2]
- 7.14 + 4 = ?[2]
- 8.9 × (-15) = ?[2]
- 9.16 × 21 = ?[3]
- 10.10 × (-30) = ?[3]
- 11.-3 − 26 = ?[3]
- 12.11 − (-6) = ?[3]
Show answers and working
1. 17
Subtracting (-10) is the same as adding 10. 7 + 10 = 17
2. -3
Subtracting 8 is the same as adding -8. 5 + (-8) = -3
3. -10
Start at 0 on a number line. Move 10 left. You land on -10.
4. 9
Subtracting 1 is the same as adding -1. 10 + (-1) = 9
5. -9
Start at -7 on a number line. Move 2 left. You land on -9.
6. 52
Multiply the sizes: 4 × 13 = 52. Same signs give positive, different signs give negative. Answer: 52
7. 18
Start at 14 on a number line. Move 4 right. You land on 18.
8. -135
Multiply the sizes: 9 × 15 = 135. Same signs give positive, different signs give negative. Answer: -135
9. 336
Multiply the sizes: 16 × 21 = 336. Same signs give positive, different signs give negative. Answer: 336
10. -300
Multiply the sizes: 10 × 30 = 300. Same signs give positive, different signs give negative. Answer: -300
11. -29
Subtracting 26 is the same as adding -26. -3 + (-26) = -29
12. 17
Subtracting (-6) is the same as adding 6. 11 + 6 = 17
Worked examples
4 + (-8) = ?
- Start at 4 on a number line.
- Move 8 left.
- You land on -4.
- Answer: -4
-9 × 5 = ?
- Multiply the sizes: 9 × 5 = 45.
- Same signs give positive, different signs give negative.
- Answer: -45
- Answer: -45
-15 − (-18) = ?
- Subtracting (-18) is the same as adding 18.
- -15 + 18 = 3
- Answer: 3
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
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- Start with Rules and Methods in Introducing Adding Integers Common Errors, Key Vocabulary of Introducing Adding Integers Common Errors, Introducing 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 Introducing Adding Integers Common Errors in Examinations, Introducing Adding Integers Essentials, Introducing Adding Integers Techniques, Introducing Adding Integers Word Problems, which build directly on this idea.
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