2nd grade
Count by 10s and 100s from Any Number
Nine number trains that count by tens and hundreds from numbers like 23, 156 and 215. Only one digit changes each time!
Math worksheet · Place value and number decomposition
Hundreds, Tens and Ones with Blocks
Six sets of base-ten blocks with hundreds flats, tens rods and ones cubes. Kids count each and write the number.
- Grade level
- 2nd grade
- Time
- About 15 minutes
- Answer key
- Yes, page 2 of the PDF
- Kids practice
- Place value, Expanded form, Comparing and ordering numbers, Rounding
What kids do
“Count the hundreds (big squares), the tens (long bars) and the ones (small cubes). Write the number.”
Teacher tip
Count the flats by hundreds out loud, then switch to tens and ones.
How to use it
- Build the first number with base-ten blocks before kids write anything.
- Draw a place value chart on the board and keep it up while kids work.
- Do the first problem together under a document camera, then let kids finish on their own.
Watch for
Zeros as placeholders. Kids often write 307 as 37 or three hundred seven as 3007.
Talk about it
- Which is bigger and how can you tell without counting?
- Which problem was the hardest? What made it hard?
Take it further
Play “build the biggest number” with digit cards in pairs.
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
Grades 2–3
Round on a Number Line
Eight numbers to mark on a number line between two tens or two hundreds. Kids see which one is closer and round.
4th grade
Place Value Chart to Millions
Nine numbers up to 9,999,999 to write in a place value chart, one digit in each column, from millions to ones.
4th grade
Compare Numbers to 1,000,000
Ten pairs of numbers up to a million to compare with <, > or =, then six sets of three to put in order.
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