Free Grade 3 Integer Number Line Flashcards
Free Grade 3 flashcards for Integer Number Line: 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
25 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- RememberIdentify integer number line
Identify integer number line accurately in a familiar context.
Assessed by: Exit ticket of four short items
- UnderstandExplain integer number line
Explain integer number line accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate integer number line
Calculate integer number line accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare integer number line
Compare integer number line 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 Integer Number Line 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.-10 − (-5) = ?[1]
- 2.-8 + (-6) = ?[1]
- 3.-7 + (-9) = ?[1]
- 4.-8 − (-5) = ?[1]
- 5.2 − 6 = ?[2]
- 6.8 × 7 = ?[2]
- 7.12 − 8 = ?[2]
- 8.13 × 3 = ?[2]
- 9.24 + (-30) = ?[3]
- 10.-4 − 18 = ?[3]
- 11.9 + (-18) = ?[3]
- 12.25 − (-17) = ?[3]
Show answers and working
1. -5
Subtracting (-5) is the same as adding 5. -10 + 5 = -5
2. -14
Start at -8 on a number line. Move 6 left. You land on -14.
3. -16
Start at -7 on a number line. Move 9 left. You land on -16.
4. -3
Subtracting (-5) is the same as adding 5. -8 + 5 = -3
5. -4
Subtracting 6 is the same as adding -6. 2 + (-6) = -4
6. 56
Multiply the sizes: 8 × 7 = 56. Same signs give positive, different signs give negative. Answer: 56
7. 4
Subtracting 8 is the same as adding -8. 12 + (-8) = 4
8. 39
Multiply the sizes: 13 × 3 = 39. Same signs give positive, different signs give negative. Answer: 39
9. -6
Start at 24 on a number line. Move 30 left. You land on -6.
10. -22
Subtracting 18 is the same as adding -18. -4 + (-18) = -22
11. -9
Start at 9 on a number line. Move 18 left. You land on -9.
12. 42
Subtracting (-17) is the same as adding 17. 25 + 17 = 42
Worked examples
7 − (-6) = ?
- Subtracting (-6) is the same as adding 6.
- 7 + 6 = 13
- Answer: 13
2 − 3 = ?
- Subtracting 3 is the same as adding -3.
- 2 + (-3) = -1
- Answer: -1
-13 − 22 = ?
- Subtracting 22 is the same as adding -22.
- -13 + (-22) = -35
- Answer: -35
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.
Every free resource for Integer Number Line
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Frequently asked
- Is this Grade 3 Integer Number Line flashcards really free?
- Yes. Every flashcards on FreeMathWorksheet is free to use, print and share — no account, no paywall and no watermark.
- What should a learner already know before this?
- Start with Negative Numbers, Number Formation. Each one has its own free lesson, worksheet and quiz.
- How is the flashcards sequenced?
- Recognition first, then understanding, application, reasoning and finally mastery — the same ladder used across every free resource on the platform.
- What comes next after Integer Number Line?
- Move on to Adding Integers, Subtracting Integers, Multiplying Integers, Absolute Value, which build directly on this idea.
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