Area Model: 2-Digit by 2-Digit
Split both numbers into tens and ones. Fill in each part of the rectangle, then add the four parts.
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This is sheet #136924601.
How to do it
- Split both numbers into tens and ones.
- Multiply to fill in each of the four parts.
- Add the four parts.
Teaching tip
Shade the biggest part first. It gets you close to the answer right away. This sheet is aligned with Common Core 4.NBT.B.5.
About this worksheet
Two-digit by two-digit area models, like 66 × 15, with four parts to fill in and the product. Fewer uses smaller numbers.
What kids practice
Fourth graders multiply numbers up to four digits by a one-digit number, and two-digit numbers by two-digit numbers, like 34 × 26. They learn to break numbers into place value parts with area models and partial products, then use the standard algorithm. Estimating first helps them check that an answer makes sense.
Watch for
- Forgetting the 0 in the ones place when multiplying by the tens digit.
- Forgetting to add a carried digit, or adding it before multiplying.
- Lining up partial products in the wrong columns.
- Multiplying only the ones by the ones and the tens by the tens, like 34 × 26 = 6 hundreds and 24.
It's free to print, with Fewer, Standard or More on the page and an answer key. See the full multi-digit multiplication guide for 4th grade.
More sheets in this set
- See it all
1. How to Multiply by 10, 100 and 1,000Worked rows from 7 × 2 = 14 up to 70 × 200 = 14,000 with the zeros in red, plus facts like 5 × 40 that already end in zero. 
2. Multiply by 10, 100 and 1,000Basic facts like 7 × 2 = 14 with products like 7 × 200 and 70 × 20 to fill in. More includes problems like 60 × 400.- See it all
3. How to Use an Area ModelArea models for 3 × 246 and 34 × 26, with every box filled in and added up. 
4. Area Model: by a 1-Digit NumberArea models for 2-, 3- and 4-digit numbers times a one-digit number, with each part of the rectangle to fill in.- See it all
6. How to Use Partial Products318 × 4 and 34 × 26 worked out with partial products, with a gray hint beside each line. 
7. Partial ProductsVertical problems with a box for each partial product and a gray hint like 5 × 60. Fewer is 3-digit by 1-digit, Standard 2-digit by 2-digit, and More mixes 4-digit by 1-digit with 2-digit by 2-digit.- See it all
8. How to Use the Standard Algorithm347 × 6 with carrying and 34 × 26 on graph paper, each with an estimate to check. 
9. Standard AlgorithmMultiplication on graph paper so the digits line up. Fewer is 3-digit by 1-digit, Standard 2-digit by 2-digit, and More mixes 4-digit by 1-digit with 2-digit by 2-digit.
10. Estimate, Then MultiplyRound to estimate each product, then solve it exactly on graph paper and decide if the answer is close.- See it all
11. How to Solve Times As Many ProblemsA sticker story with a bar model for 3 times as many as 24, plus how times as many is different from more than. 
12. Multiplication Word ProblemsStory problems about seats, pages, crates and more, including "times as many" comparisons, with a work space and an answer box.