Free Grade 3 Working with Integer Number Line Flashcards
Free Grade 3 flashcards for Working with 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
Higher
25 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- UnderstandExplain working with integer number line
Explain working with integer number line accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate working with integer number line
Calculate working with integer number line accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare working with integer number line
Compare working with integer number line accurately in a familiar context.
Assessed by: Exit ticket of four short items
- EvaluateJustify working with integer number line
Justify working with 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 Working with 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.
- 1.1 + 1 = ?[1]
- 2.3 − 7 = ?[1]
- 3.-4 + (-3) = ?[1]
- 4.7 + (-6) = ?[1]
- 5.-12 − (-6) = ?[2]
- 6.19 × (-4) = ?[2]
- 7.-12 + (-19) = ?[2]
- 8.2 − (-2) = ?[2]
- 9.-7 − (-7) = ?[3]
- 10.15 + 29 = ?[3]
- 11.-26 − (-15) = ?[3]
- 12.13 + 18 = ?[3]
Show answers and working
1. 2
Start at 1 on a number line. Move 1 right. You land on 2.
2. -4
Subtracting 7 is the same as adding -7. 3 + (-7) = -4
3. -7
Start at -4 on a number line. Move 3 left. You land on -7.
4. 1
Start at 7 on a number line. Move 6 left. You land on 1.
5. -6
Subtracting (-6) is the same as adding 6. -12 + 6 = -6
6. -76
Multiply the sizes: 19 × 4 = 76. Same signs give positive, different signs give negative. Answer: -76
7. -31
Start at -12 on a number line. Move 19 left. You land on -31.
8. 4
Subtracting (-2) is the same as adding 2. 2 + 2 = 4
9. 0
Subtracting (-7) is the same as adding 7. -7 + 7 = 0
10. 44
Start at 15 on a number line. Move 29 right. You land on 44.
11. -11
Subtracting (-15) is the same as adding 15. -26 + 15 = -11
12. 31
Start at 13 on a number line. Move 18 right. You land on 31.
Worked examples
7 + 3 = ?
- Start at 7 on a number line.
- Move 3 right.
- You land on 10.
- Answer: 10
-6 − 19 = ?
- Subtracting 19 is the same as adding -19.
- -6 + (-19) = -25
- Answer: -25
-5 × (-20) = ?
- Multiply the sizes: 5 × 20 = 100.
- Same signs give positive, different signs give negative.
- Answer: 100
- Answer: 100
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 Working with Integer Number Line
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Frequently asked
- Is this Grade 3 Working with 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 Introducing Integer Number Line, Negative Numbers. 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 Working with Integer Number Line?
- Move on to Integer Number Line in Context, Negative Numbers, Adding Integers, Subtracting Integers, which build directly on this idea.
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