Free Grade 3 Rules and Methods in Introducing Percentage Decrease Techniques Worksheets
Free Grade 3 worksheets for Rules and Methods in Introducing Percentage Decrease Techniques: 12 real questions with a full answer key and worked solutions. Per cent means 'out of 100'. Find 10% by dividing by 10 or 1% by dividing by 100, then build up. For an increase or decrease, use a multiplier.
Free
Foundation
15 min
24
Learning objectives
Every objective is checkable, and each one maps to an activity and an assessment.
- RememberIdentify rules and methods in introducing percentage decrease techniques
Identify rules and methods in introducing percentage decrease techniques accurately in a familiar context.
Assessed by: Exit ticket of four short items
- UnderstandExplain rules and methods in introducing percentage decrease techniques
Explain rules and methods in introducing percentage decrease techniques accurately in a familiar context.
Assessed by: Exit ticket of four short items
- ApplyCalculate rules and methods in introducing percentage decrease techniques
Calculate rules and methods in introducing percentage decrease techniques accurately in a familiar context.
Assessed by: Exit ticket of four short items
- AnalyseCompare rules and methods in introducing percentage decrease techniques
Compare rules and methods in introducing percentage decrease techniques 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 Introducing Percentage Decrease Techniques works
Per cent means 'out of 100'. Find 10% by dividing by 10 or 1% by dividing by 100, then build up. For an increase or decrease, use a multiplier.
12 practice questions
Easy to hard, 24 marks in total. Try them first, then open the answers.
- 1.Find 25% of 200.[1]
- 2.Find 10% of 380.[1]
- 3.Find 50% of 380.[1]
- 4.Find 10% of 700.[1]
- 5.Find 12.5% of 560.[2]
- 6.Find 35% of 80.[2]
- 7.Find 20% of 340.[2]
- 8.Find 30% of 160.[2]
- 9.Decrease $800.00 by 40%.[3]
- 10.Decrease $480.00 by 20%.[3]
- 11.Decrease $620.00 by 30%.[3]
- 12.Increase $760.00 by 30%.[3]
Show answers and working
1. 50
1% of 200 = 2. 25% = 2 × 25 = 50.
2. 38
1% of 380 = 3.8. 10% = 3.8 × 10 = 38.
3. 190
1% of 380 = 3.8. 50% = 3.8 × 50 = 190.
4. 70
1% of 700 = 7. 10% = 7 × 10 = 70.
5. 70
1% of 560 = 5.6. 12.5% = 5.6 × 12.5 = 70.
6. 28
1% of 80 = 0.8. 35% = 0.8 × 35 = 28.
7. 68
1% of 340 = 3.4. 20% = 3.4 × 20 = 68.
8. 48
1% of 160 = 1.6. 30% = 1.6 × 30 = 48.
9. $480.00
Multiplier: 1 − 0.4 = 0.6. 800 × 0.6 = 480.
10. $384.00
Multiplier: 1 − 0.2 = 0.8. 480 × 0.8 = 384.
11. $434.00
Multiplier: 1 − 0.3 = 0.7. 620 × 0.7 = 434.
12. $988.00
Multiplier: 1 + 0.3 = 1.3. 760 × 1.3 = 988.
Worked examples
Find 50% of 40.
- 1% of 40 = 0.4.
- 50% = 0.4 × 50 = 20.
- Answer: 20
Find 15% of 120.
- 1% of 120 = 1.2.
- 15% = 1.2 × 15 = 18.
- Answer: 18
Decrease $220.00 by 5%.
- Multiplier: 1 − 0.05 = 0.95.
- 220 × 0.95 = 209.
- Answer: $209.00
Interactive practice
Free, no account required — answer on screen or print it.
Common mistakes
What learners typically get wrong, and how to fix it.
Finds 10% and stops when asked for a 10% decrease.
Correction: Subtract the 10% from the original.
Thinks a 50% rise then 50% fall returns to the start.
Correction: The second percentage is of a different amount.
Teacher tips
- · Teach 10%, 5%, 1% building blocks before multipliers.
Parent tips
- · Work out the tip at a restaurant together.
Real-life applications
- · Sales, tips, tax and interest.
Assessment objectives
How mastery is evidenced, and which standards it maps to.
Every free resource for Rules and Methods in Introducing Percentage Decrease Techniques
One concept, one ecosystem — all of it free.
Goes deeper
The entities below this one, each with the same complete free resource set.
Sibling concepts
Related concepts
Lateral links, including across subjects.
Next topics
All free formats for this concept
Every kind below is a real page, generated from this entity.
Learn — Meet the idea.
Practice — Build fluency.
Revise — Keep it in memory.
Assess — Prove mastery.
Apply — Use it in context.
Teach — Deliver it to a class.
Frequently asked
- Is this Grade 3 Rules and Methods in Introducing Percentage Decrease Techniques worksheet really free?
- Yes. Every worksheets 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 Key Vocabulary of Introducing Percentage Decrease Techniques, Introduction to Introducing Percentage Decrease Techniques, Introducing Percentage Decrease Essentials. Each one has its own free lesson, worksheet and quiz.
- How is the worksheet 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 Rules and Methods in Introducing Percentage Decrease Techniques?
- Move on to Working with Introducing Percentage Decrease Techniques, Introducing Percentage Decrease Techniques in Examinations, Introducing Percentage Decrease Essentials, Introducing Percentage Decrease Word Problems, which build directly on this idea.
Related resources
- Free Rules and Methods in Introducing Percentage Decrease Techniques quizzes
- Free Rules and Methods in Introducing Percentage Decrease Techniques flashcards
- Free Rules and Methods in Introducing Percentage Decrease Techniques lessons
- Free Rules and Methods in Introducing Percentage Decrease Techniques lesson plans
- Rules and Methods in Introducing Percentage Decrease Techniques in the knowledge graph
- Free AI Tutor
Stuck on Rules and Methods in Introducing Percentage Decrease Techniques? The AI Tutor already knows this page, its prerequisites and its common mistakes.
Open the free AI Tutor