Compare Decimals
Line up places and compare tenths first—more digits doesn't mean bigger
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Which is bigger, 0.7 or 0.65? Many kids assume "more digits means a bigger number", but line the places up and compare digit by digit from the tenths, and the answer pops out. Grid models show how much of the whole each number covers, checking every judgment you make.
Two decimals sit side by side with their grid twins—guess, tap >, < or =, then unroll the digits place by place to see why 0.7 beats 0.65.