Grades 1–2
Tens and Ones
Eight sets of base-ten blocks. Kids count the tens and ones and write the number.
Math worksheet · Place value and number decomposition
Round Decimals
Twelve decimals to round to the nearest whole number, tenth and hundredth. Five or more rounds up.
- Grade level
- 5th grade
- Time
- About 20 minutes
- Answer key
- Yes, page 2 of the PDF
- Kids practice
- Place value, Expanded form, Comparing and ordering numbers, Rounding
What kids do
“Look at the digit just to the right of the place you are rounding to. 5 or more? Round up.”
Printed on the sheet:
- Example: 3.476 rounds to 3 (whole number), 3.5 (tenth) and 3.48 (hundredth).
Teacher tip
Ask kids to underline the place they are rounding to and circle the digit just right of it.
How to use it
- Read each number out loud as a class so kids hear the place names.
- Let kids use a place value mat or a folded paper chart under their sheet.
- Do the first problem together under a document camera, then let kids finish on their own.
Watch for
Rounding the wrong digit. Have kids underline the place they are rounding to first.
Talk about it
- What happens to a number when you move a digit one place to the left?
- Which problem was the hardest? What made it hard?
Take it further
Have kids find big numbers in the newspaper or a fact book and write them in expanded form.
US Letter, prints well in black and white. Free for home and classroom use: print as many copies as you need.
More place value and number decomposition worksheets
1st grade
Number Bonds Within 20
Twelve number bonds. Kids find the missing part or the whole, breaking numbers up to 20 into two parts.
Grades 2–3
Hundreds, Tens and Ones
Ten three-digit numbers to break into hundreds, tens and ones and write in expanded form.
Grades 3–5
Expanded Form and Word Form
Numbers into the thousands written three ways: standard form, expanded form and word form.
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