Measurement

Length Ladder

1 cm = 10 mm. 1 m = 100 cm. 1 km = 1000 m.

Liquid Pouring

1 L = 1000 mL. Multiply to go small, divide to go big.

Weighing Scale

1 kg = 1000 g. Multiply or divide by 1000.

Reading Scales & Rulers

Big marks = whole units. Small marks = pieces.

Measurement Word Problems

Same units, then add, subtract, or compare.

Thermometer

Read the mercury level, then do the change.

Compound-Unit Arithmetic

km+m, kg+g, L+mL, all use the same 1000 boundary.

Balance Scales & Container Ratios

Reach the smallest unit, then multiply your way up.