課程講義
練習題(部分附有詳解)
課後練習平台精選
Write variable expressions: one operation
Write variable expressions: two or three operations
Write variable expressions: word problems
Understanding integers
Integers on number lines
Graph integers on horizontal and vertical number lines
Understanding absolute value
Absolute value and opposite integers
Compare and order integers
Integer inequalities with absolute values
Understanding exponents
Powers with integer bases
Powers with decimal and fractional bases
Negative exponents
Square roots of perfect squares
Estimate positive square roots
Positive and negative square roots
Cube roots of positive perfect cubes
Cube roots of positive and negative perfect cubes
Convert between standard and scientific notation
Compare numbers written in scientific notation