Convert between centimeters and millimeters (with decimals)
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Free printable convert between centimeters and millimeters (with decimals) worksheets for 3rd grade. Students convert metric length measurements that result in or require decimal values, such as expressing 25 mm as 2.5 cm. These worksheets connect metric measurement to decimal number sense. Part of our measurement worksheets collection.
What You'll Learn
- Convert between centimeters and millimeters using decimals
- Apply decimal reasoning to metric length conversions
- Build precision converting measurements with fractional values
FAQ
How do decimals appear when converting between mm and cm?⌄
When the number of millimeters is not a multiple of 10, dividing by 10 produces a decimal — for example, 35 mm ÷ 10 = 3.5 cm.
What decimal place value knowledge supports this conversion?⌄
Understanding tenths is essential — 1 mm = 0.1 cm, so each millimeter beyond a whole centimeter adds 0.1 to the centimeter value.
Is this worksheet appropriate for all 3rd graders or just advanced students?⌄
It's best suited for students who are comfortable with tenths decimals and have already completed whole-number cm-to-mm conversions successfully.
Ratings & Reviews
3Lisa M.
Pre-K Teacher · Verified download
I love that you're adding this. It fills a real gap in what's available for free online.
Helpful · 5
Sarah K.
Kindergarten Teacher · Verified download
So excited for this to be ready! My students really need more practice with this topic.
Helpful · 11
Maria R.
Homeschool parent · Verified download
Can't wait! This is exactly what we've been looking for. Please make it soon!
Helpful · 7
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