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Ten More, Ten Less is a free printable Grade 1 maths worksheet on changing the tens digit only, aligned to Common Core standard 1.NBT.B.2. It prints 12 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two pupils in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 1 of 25 · the same problems every time you open this link.

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All 25 sets ask different questions.

Ten More, Ten Less

1.NBT.B.2

NameDate

Work out each answer.

1.Ten more than 16 is
2.Ten less than 43 is
3.Ten less than 76 is
4.Ten less than 52 is
5.Ten less than 21 is
6.Ten more than 54 is
7.Ten less than 17 is
8.Ten more than 88 is
9.Ten more than 62 is
10.Ten more than 20 is
11.Ten less than 16 is
12.Ten more than 60 is

LessonPrint · 1.NBT.B.2 · Set 1 · free to copy for classroom use

Answer key — Ten More, Ten Less

Set 1. Prints on its own sheet.

  1. 1.26
  2. 2.33
  3. 3.66
  4. 4.42
  5. 5.11
  6. 6.64
  7. 7.7
  8. 8.98
  9. 9.72
  10. 10.30
  11. 11.6
  12. 12.70

Questions about Ten More, Ten Less

What does the Ten More, Ten Less worksheet cover?

It practises changing the tens digit only — 12 questions for Grade 1, all on Common Core 1.NBT.B.2: Know that in 47, the 4 means four tens and the 7 means seven ones. The instruction to pupils is “Work out each answer”, and the answer key follows on the next sheet.

Which Common Core standard does Ten More, Ten Less practise?

CCSS.MATH.CONTENT.1.NBT.B.2 — 1.NBT.B.2, in the Number & Operations in Base Ten domain for Grade 1. The published standard reads: “Understand that the two digits of a two-digit number represent amounts of tens and ones.” The worksheet assesses that standard rather than a paraphrase of it.

What age or grade is this worksheet for?

Ten More, Ten Less is written for Grade 1, typically ages 6-7. It is one of the sheets on 1.NBT.B.2, so it suits any pupil working at that standard — including older pupils revisiting it and younger ones working ahead.

Does Ten More, Ten Less come with an answer key?

Yes. All 12 answers are generated from the same problems as the questions, so the key cannot drift out of step with the sheet. It starts on a fresh sheet of paper, after the questions, so it is not handed out with the class by accident.

How many different versions of Ten More, Ten Less can I print?

25 — one per pupil, and all 25 ask different questions. Set 1 downloads the whole class as a single PDF. Every version is fixed to its own address, so a sheet printed today holds the same problems when you reopen it next week.

Is Ten More, Ten Less free to print and photocopy?

Yes. Ten More, Ten Less, its answer key and its 25 versions are free to print and photocopy for your own class, with no account, no email capture and no subscription at the download step. Please do not resell them or republish them as your own.

More practice for 1.NBT.B.2

Know that in 47, the 4 means four tens and the 7 means seven ones.

All Grade 1 worksheets

Last reviewed 2026-09-05. Aligned to 1.NBT.B.2 of the Common Core State Standards for mathematics.