Math worksheet · Place value and number decomposition

Ten More, Ten Less, One More, One Less

Eight numbers in the middle of a cross. Kids write ten more, ten less, one more and one less around each.

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Grade level
Grades 1–2
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

“Write the number that is 1 more, 1 less, 10 more and 10 less.”

Teacher tip

A hundred chart helps: up one row is ten less, down one row is ten more.

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

  • What is this digit worth? How do you know?
  • Which problem was the hardest? What made it hard?

Take it further

Make number riddles: “I have 3 hundreds, no tens and 7 ones.”

US Letter, prints well in black and white. Free for home and classroom use: print as many copies as you need.

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