3rd Grade 1 Times Table Worksheet: 18 Column Facts and the Identity Rule

Mathematicians call this rule the identity property of multiplication. One group of 6 is just 6, so 6 × 1 = 6. The number keeps its identity, as if it looked in a mirror.

Item b, 0 × 1, often surprises children. Zero groups of one, or one group of zero, still make 0, so the rule works for every number.

For each item, your child writes the top number again under the line. With two-digit numbers such as 37 or 91, the ones go under the ones and the tens under the tens. In this way, careful copying prepares column multiplication with bigger factors.

Next, ask your child to read each fact out loud, for example: eighty-three times one is eighty-three. Saying the rule often makes it automatic.

Turn the rule into a game at home. Hand your child one bag with 7 apples and ask how many apples there are in all. Then try one bag with no apples at all. Finally, check the page with the answer key, and let your child invent a fact for you to solve.