Free Grade 3 Introducing Negative Numbers Techniques in Examinations Flashcards
Free Grade 3 flashcards for Introducing Negative Numbers Techniques in Examinations: 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.
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Stretch
30 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- RememberIdentify introducing negative numbers techniques in examinations
Identify introducing negative numbers techniques in examinations accurately in a familiar context.
Assessed by: Exit ticket of four short items
- UnderstandExplain introducing negative numbers techniques in examinations
Explain introducing negative numbers techniques in examinations accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate introducing negative numbers techniques in examinations
Calculate introducing negative numbers techniques in examinations accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare introducing negative numbers techniques in examinations
Compare introducing negative numbers techniques in examinations 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 Introducing Negative Numbers Techniques in Examinations 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.-5 − (-8) = ?[1]
- 2.0 − (-1) = ?[1]
- 3.7 + 9 = ?[1]
- 4.-8 + (-4) = ?[1]
- 5.-17 + (-17) = ?[2]
- 6.-6 − 19 = ?[2]
- 7.-5 − 1 = ?[2]
- 8.-12 + (-1) = ?[2]
- 9.-19 × (-11) = ?[3]
- 10.12 − 8 = ?[3]
- 11.27 − 6 = ?[3]
- 12.20 − 16 = ?[3]
Show answers and working
1. 3
Subtracting (-8) is the same as adding 8. -5 + 8 = 3
2. 1
Subtracting (-1) is the same as adding 1. 0 + 1 = 1
3. 16
Start at 7 on a number line. Move 9 right. You land on 16.
4. -12
Start at -8 on a number line. Move 4 left. You land on -12.
5. -34
Start at -17 on a number line. Move 17 left. You land on -34.
6. -25
Subtracting 19 is the same as adding -19. -6 + (-19) = -25
7. -6
Subtracting 1 is the same as adding -1. -5 + (-1) = -6
8. -13
Start at -12 on a number line. Move 1 left. You land on -13.
9. 209
Multiply the sizes: 19 × 11 = 209. Same signs give positive, different signs give negative. Answer: 209
10. 4
Subtracting 8 is the same as adding -8. 12 + (-8) = 4
11. 21
Subtracting 6 is the same as adding -6. 27 + (-6) = 21
12. 4
Subtracting 16 is the same as adding -16. 20 + (-16) = 4
Worked examples
10 − 2 = ?
- Subtracting 2 is the same as adding -2.
- 10 + (-2) = 8
- Answer: 8
19 + (-20) = ?
- Start at 19 on a number line.
- Move 20 left.
- You land on -1.
- Answer: -1
-4 − 29 = ?
- Subtracting 29 is the same as adding -29.
- -4 + (-29) = -33
- Answer: -33
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 Working with Introducing Negative Numbers Techniques, Rules and Methods in Introducing Negative Numbers Techniques, Introducing Negative Numbers Essentials. Each one has its own free lesson, worksheet and quiz.
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