About this worksheet

This free Year 7 rounding decimals worksheet is written for the Western Australian curriculum and mapped to SCSA content description WA7MNAUN7. It targets one skill so students can practise until it sticks: by the end, students can say “I can use place value to round decimals to a given number of decimal places and explain my rounding.”

What’s inside

• Key idea box – a short explanation with worked examples to read before starting.
• A · Fluency (16 questions) – quick practice to build accuracy.
• B · Core (10 questions) – worded problems set in everyday Australian contexts.
• C · Reasoning (4 questions) – explain, justify and spot the error.
• D · Challenge (4 questions) – harder multi-step and problem-solving questions for students ready to stretch.
• Separate marking key – every answer with working, plus mark allocations and marking criteria for reasoning questions.

Skills covered

• Rounding to a given number of decimal places
• Explaining rounding with place value
• Finding the smallest and largest values that round to a number

How to use this worksheet

Start with the Key idea box, then complete Section A without a calculator. Most students should attempt Sections B and C; Section D suits students aiming for the top of the class or preparing for accelerated or extension maths. The worksheet is marked out of 57, and the score box on the last page helps students see which section needs more practice.

Common mistakes to watch for

• Rounding twice (4.449 → 4.45 → 4.5)
• Dropping trailing zeros (3.00 written as 3)
• Looking at the wrong digit
• Not carrying when rounding up a 9

Where this fits in the WA Year 7 sequence

Rounding Decimals sits in the Understanding number sub-strand of Number and algebra. It is one of a set of short, single-skill EduLift worksheets that split each Year 7 content description into sub-skills. Use the previous and next links to work through the sequence in order.

Common errors we see in tutoring

• Rounding twice (4.449 → 4.45 → 4.5)
• Dropping trailing zeros (3.00 written as 3)
• Looking at the wrong digit
• Not carrying when rounding up a 9