3rd Grade Multiplying Hundreds by One Digit Worksheet: 12 Problems
Once 2-digit numbers feel easy, the same column method works for numbers in the hundreds. This 3rd grade multiplying hundreds by one digit worksheet has 12 problems, labeled a to l, set out in three columns. Most top numbers sit between 182 and 967, and the factor below goes from 0 to 9. A pink owl keeps watch in the corner. The work is a stretch for third grade, since this skill usually belongs to fourth grade, so it suits children who are ready for a challenge. Page two gives the answer key.
Ones, tens, then hundreds
Your child multiplies the ones first, then the tens, then the hundreds, always by the same digit. When a column gives 10 or more, the tens move to the next column, which is called regrouping. In d, 783 × 7, the ones give 21, so 1 goes down and 2 is carried. The tens give 56 plus 2, which is 58, and the hundreds give 49 plus 5, so the answer is 5,481.
A quick estimate catches big slips. 783 is close to 800, and 800 × 7 = 5,600, so 5,481 makes sense.
At the table: easy points and traps
A few problems give quick points. In e, 200 × 8 is just 2 × 8 followed by two zeros, so 1,600. In k, 888 × 1 stays 888. Item j, 910 × 0, shows how to multiply by zero: the answer is 0, whatever the top number.
Item c, 77 × 5, has only two digits on top, so it makes a gentle warm-up. The hardest items are f, i and l, where almost every column needs regrouping. Ask your child to say the carried digit out loud before adding it, because a forgotten carry is the most common slip in column multiplication.
After the page: check with addition
Pick one problem, like 302 × 4. Your child can add 302 four times and reach 1,208 again. Then ask for a new problem with a top number in the hundreds and a factor of 2 or 3, and solve it side by side. Finish by comparing every product with the answer key on page two.
About this multiplying hundreds by one digit page and its answer key
Download the worksheet: 3rd Grade Multiplying Hundreds by One Digit Worksheet: 12 Problems
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