Integers and rational numbers
Explain sizes and operations of integers and rational numbers using signs, absolute values, and number lines.
Meaning
Integers include positive integers, zero, and negative integers. A rational number can be written as a/b with integers a and b, where b is nonzero.
Example
Practice for this concept
Scope and references
Topics
Positive numbers, negative numbers, zero, absolute value, number lines, signed arithmetic, terminating and recurring decimals
Learning goal
Explain sizes and operations of integers and rational numbers using signs, absolute values, and number lines.
Helpful background
Distinguish position from direction of change relative to zero.
Calculations with negative numbers
Does not cover all rational-number operations or repeating decimals.