Skill: decimals-add-subtract

Decimal Grid Addition Lab

Add decimals on a hundredths grid: fill squares for each addend and watch the total — including the regroup into wholes.

Decimal grid addition lab

Add two decimals as hundredths. Watch the total regroup: every 100 hundredths becomes one whole.

First addend (hundredths): 245

Second addend (hundredths): 120

Add 0.30 + 0.70. How many hundredths is that? How many wholes? Now try 2.45 + 1.20.

Drill it with hints.

See it move.

Print 20 fresh problems.

Beat the clock.