Multiply 1-digit by whole tens or hundreds
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Free printable multiply 1-digit by whole tens or hundreds worksheets for 4th grade. Students solve a mixed set of problems involving both ×10 multiples and ×100 multiples, applying the correct zero-appending strategy to each. These worksheets consolidate both round-number multiplication patterns in one practice set. Part of our mental multiplication worksheets collection.
What You'll Learn
- Multiply a 1-digit number by whole tens or hundreds mentally
- Apply place value patterns to multiply quickly without paper
- Build flexible mental multiplication across tens and hundreds
FAQ
How do students know whether to add one or two zeros?⌄
They identify whether the second factor is a multiple of 10 (one zero) or 100 (two zeros) — building the habit of checking the magnitude of each factor before computing.
Why combine both patterns on the same worksheet?⌄
Mixed practice prevents over-reliance on one pattern — students must read each problem carefully and select the correct rule, building flexible mental math thinking.
How does this skill transfer to scientific notation concepts later?⌄
Understanding that multiplying by 10 shifts a number one place to the left (and 100 shifts two places) is the same reasoning used in scientific notation in middle and high school.
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3Priya N.
Kindergarten Teacher · Verified download
This is going straight into my lesson plans the second it drops. Please prioritize this one!
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Homeschool parent · Verified download
Excited for this one! I've been hunting for a good printable on this topic for weeks.
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