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Grade 1 Adding & Subtracting Tens Worksheet with Answers

Grade 1 (US) · Year 2 (UK) · Class 1 (India) · Math

Unit 3: Adding & Subtracting within 100Working with TensCCSS 1.NBT.C.6

Adding and subtracting multiples of 10 using place value. This free early elementary worksheet has 12 questions and a full answer key. Print it or save it as a PDF — every answer is checked by code, not guessed.

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Adding & Subtracting Tens

Grade 1 · Math

Score___ / 12

Name

Class

Date

Learning goal: Working with Tens · CCSS 1.NBT.C.6

Directions: Use the pictures to help you. Solve each problem. Show your work, then write your answer in the box.

Example

70 - 60 = ?

Answer: 10

RememberHundred chart (1–50)

1
90 - 20 = ?
Answer
2
30 + 40 = ?
Answer
3
20 + 60 = ?
Answer
4
62 + 10 = ?
Answer
5
50 + 20 = ?
Answer
6
60 + 20 = ?
Answer
7
66 + 20 = ?
Answer
8
10 + 10 = ?
Answer
9
18 + 10 = ?
Answer
10
50 + 10 = ?
Answer
11
50 + 40 = ?
Answer
12
30 + 30 = ?
Answer

★ Challenge corner for fast finishers

In this magic square every row, column and diagonal adds up to 33. Row 1: 9, 19, 5 | Row 2: 7, 11, 15 | Row 3: 17, ____, 13. What is the missing number?

How did I do?

Teacher's comments

Free printable worksheets with answer keys · aethelsystems.com/worksheets/math/1/add_tens

Answer key (click to show)

1.70
2.70
3.80
4.72
5.70
6.80
7.86
8.20
9.28
10.60
11.90
12.60
★3 (challenge corner)

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How to use this worksheet

Keep it short: a few questions at a time works better than a whole page at once for young learners.
Read the questions aloud together if your child is still building reading confidence.
Check the answers straight after, while the thinking is still fresh, and praise effort as well as results.

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Guides for teaching Adding & Subtracting Tens

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Does this Grade 1 Adding & Subtracting Tens worksheet come with answers?

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