Common Core · Grade 7
7.NS.A.2.D
Grade 7 — Convert a rational number to a decimal, and recognise terminating and repeating decimals.
Grade 7 — Convert a rational number to a decimal using long division, and know that the decimal terminates in 0s or eventually repeats.
The 2 skills that cover it
- DecimalsRead, compare and compute with decimals, and convert between decimals and fractions.Read the lesson →
- Rational & Irrational NumbersSort the real numbers: every fraction is a decimal that stops or repeats, every other decimal is irrational, and both kinds have a place on the number line.Read the lesson →
What a student should be able to do
- Compare and order decimals using place value.
- Add, subtract, multiply and divide decimals.
- Convert between decimals and fractions in both directions.
- Round decimals and use them in money and measurement problems.
- Decide whether a number is rational or irrational and explain why.
- Convert a fraction to a terminating or repeating decimal, and a repeating decimal back to a fraction.
- Approximate an irrational number such as sqrt(10) or pi and place it between two rationals.
- Order a mixed set of fractions, decimals, roots and pi from least to greatest.