Four-Digit by One-Digit Multiplication
Grade 3•45 minutes•4.NBT.B.5 Multiply a whole number of up to four digits by a one-digit whole number, and multiply two two-digit numbers, using strategies based on place value and the properties of operations. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models.
Learning Objective
I can multiply big numbers (up to four digits) by one-digit numbers using strategies like place value and area models.
Practice Questions
This lesson includes 7 practice questions to reinforce learning.
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1. Explain the steps you take when multiplying a four-digit number by a one-digit number.
2. What does it mean to "carry over" a number in multiplication, and why is it important?
3. Solve: 2,341 × 3 = ?
...and 4 more questions
Educational Video
Multiplying: 4 digits times 1 digit (with carrying) | Arithmetic | Khan Academy
Khan Academy