Te reo Māori terms
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Learning objective overview
Master Teaching Guide coverage for this objective.
Current NZC (2007)
NA5-6
New NZC (2026)
NZC26-P4-NUM-NSO-K-Y10-08NZC26-P4-NUM-NSO-K-Y10-07NZC26-P4-MEA-MEA-K-Y10-02NZC26-P4-NUM-NSO-K-Y9-07NZC26-P4-MEA-MEA-P-Y10-01NZC26-P4-NUM-NSO-P-Y9-09NZC26-P4-NUM-NSO-P-Y10-06NZC26-P4-MEA-MEA-K-Y9-01NZC26-P4-MEA-MEA-K-Y10-01NZC26-P4-NUM-NSO-P-Y9-08
Resources
- Dr Austin Maths - Rounding to Significant Figures Practice GridQuestions PDF · Answers
- Dr Austin Maths - Rounding to One Significant Figure Practice GridQuestions PDF · Answers
- Dr Austin Maths - Estimation Practice GridQuestions PDF · Answers
Terminology
- significant figure
- round
- scientific notation
- precision
- placeholder zero
Task goals
- Count how many significant figures are in a number, including numbers with leading, trailing, or placeholder zeros.
- Round a number to a stated number of significant figures.
- Convert a number written in scientific notation to an ordinary number, and an ordinary number to scientific notation, to a stated number of significant figures.
- Carry out a calculation (addition, subtraction, multiplication, or division), including with numbers in scientific notation, and round the result to a stated number of significant figures.
- Compare two or three decimal values with different numbers of trailing zeros and identify which is written to the greater precision.
- Apply significant-figure rounding to a real-world calculation such as an area, speed, or density, giving the answer to a stated number of significant figures.
Where this fits
What leads into this objective, and where it goes next.
Before
Operations with Decimals
Irrational numbers
Relationship between percentages, fractions, and decimals
You are here
Rounding to significant figures and applying precision to calculations
Know
Rounding and estimation support efficiently predicting results and checking the reasonableness of calculations.
Statement▸
Year 9 · Number · Number structures and operations
NZC26-P4-NUM-NSO-K-Y9-07
Do
Rounding to the degree of precision required for the context
Statement▸
Year 9 · Number · Number structures and operations
NZC26-P4-NUM-NSO-P-Y9-09
Also under NA5-6:
For teachers
Need the fuller teaching notes for this objective? Open the Teacher guidance PDF.