Your universe is growing.

Build fast, flexible multiplication facts.

Split quantities and connect factors.

Combine and compare positive and negative values.

Move fluently between fractions and decimals.

Find useful percentages without a calculator.

Choose the right operation sequence.

Find unknown values from balanced equations.

Recall area and perimeter relationships.

Use mental math for prices and discounts.

Recognize powers and their matching roots.

Round values to make useful estimates quickly.

Scale equivalent ratios and rates.

Convert common length, time, mass, and volume units.