Mathematics·Fractions·procedural
Decimals and fractions (age 11+)
Work interchangeably with terminating decimals and their corresponding fractions (such as 3.5 and 7/2 or 0.375 and 3/8); convert fluently between the two forms
Suggested ages 11–13
Evidence of understanding
- Convert any terminating decimal to a fraction in simplest form
- Convert any fraction with a denominator whose prime factors are only 2 and 5 to a terminating decimal
- Explain why some fractions produce terminating decimals and others do not
Assessment prompt
If Decimals and fractions (age 11+) sees 0.375 on a calculator display, can they convert it to a fraction in its simplest form — without using the calculator?
Standards alignment
7.NS.2dUS · ccss-math
Convert a rational number to a decimal using long division
Common Core State Standards for Mathematics · 7
KS3.Maths.Num.9GB · uk-nc-2013
Terminating Decimals and Fractions
The national curriculum in England: Key stages 1 and 2 framework document · Key Stage 3