AC9M6N08Year 6NumberPractised on site

AC9M6N08 — Year 6 Number

Official Curriculum Content Description:

approximate numerical solutions to problems involving rational numbers and percentages, including financial contexts, using appropriate estimation strategies

Worked Examples (1)

Example 1Rational Number Approximations on Number Line
A store offers a discount of 52%52\% on an item priced at $495\$495. Use compatible numbers (50%50\% of $500\$500) to estimate the savings in dollars. (Enter number only)
Common mistake: Calculating exact unrounded decimal or misapplying percentage multiplier
Correct Answer:250250
Worked Solution:
Use compatible fractions to approximate: - 52%≈50%=1252\% \approx 50\% = \frac{1}{2} - Price $495≈$500\$495 \approx \$500 Estimated savings: 12×500=$250\frac{1}{2} \times 500 = \$250.

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