Number Bonds up to 1 with 1dp - Answer Sheet

Oct 22, 2026

Uploaded by Đào

Number bonds up to 1 with one decimal place practice questions and answers. Learners complete missing addends or subtracting parts to make sums equal to 1, using decimals such as 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, and 0.9. The sheet is structured as paired items for students to fill in the missing value, then check solutions. Answer section lists each numbered calculation for quick verification.

LanguageEnglish

CategoryExam

FormatPDF

Pages2

Reading Time5 min

AccessFree to download

Number Bonds Practice

Complete the missing addend or subtrahend

Check answers

Number Bonds up to 1 with 1dp [Created by the Math Salamanders](Created by the Math Salamanders www.math-salamanders.com)[ ](Created by the Math Salamanders www.math-salamanders.com)[www.math-salamanders.com](Created by the Math Salamanders www.math-salamanders.com) 1) 0.2 + = 1 4) 1 − = 0.2 7) + 0.1 = 1 10) 1 − = 0.4 13) 0.2 + = 1 16) 1 − = 0.1 19) + 0.7 = 1 22) 1 − 0.2 = 25) 1 − = 1 28) 1 − = 0.9 31) 1 − = 0.3 34) 0 + = 1 37) 0.5 + = 1 40) 1 − = 0.3 43) 1 − 0.9 = 2) + 0.5 = 1 5) 1 + = 1 8) 1 − 0.6 = 11) 0.5 + = 1 14) + 0.5 = 1 17) 1 − = 0.2 20) 1 − = 0.5 23) + 0.2 = 1 26) + 0.2 = 1 29) + 0.6 = 1 32) + 0.8 = 1 35) 0.7 + = 1 38) + 0.2 = 1 41) 0.6 + = 1 44) 1 − = 0.5 3) 1 − = 0 6) 1 − = 1 9) + 0.1 = 1 12) 1 − 0 = 15) 1 − = 0.9 18) 0.9 + = 1 21) 0.1 + = 1 24) 1 − = 0.4 27) + 0.3 = 1 30) 1 − 0.8 = 33) 1 − 0.9 = 36) 1 − = 0.6 39) 1 − = 0.9 42) 0.8 + = 1 45) 1 − = 0.2 | | Number Bonds up to 1 with 1dp Answers | | --- | --- | | [Created by the Math Salamanders](Created by the Math Salamanders www.math-salamanders.com)[ ](Created by the Math Salamanders www.math-salamanders.com)[www.math-salamanders.com](Created by the Math Salamanders www.math-salamanders.com) | | 1) 0.2 + 0.8 = 1 2) 0.5 + 0.5 = 1 3) 1 − 1 = 0 4) 1 − 0.8 = 0.2 5) 1 + 0 = 1 6) 1 − 0 = 1 7) 0.9 + 0.1 = 1 8) 1 − 0.6 = 0.4 9) 0.9 + 0.1 = 1 10) 1 − 0.6 = 0.4 11) 0.5 + 0.5 = 1 12) 1 − 0 = 1 13) 0.2 + 0.8 = 1 14) 0.5 + 0.5 = 1 15) 1 − 0.1 = 0.9 16) 1 − 0.9 = 0.1 17) 1 − 0.8 = 0.2 18) 0.9 + 0.1 = 1 19) 0.3 + 0.7 = 1 20) 1 − 0.5 = 0.5 21) 0.1 + 0.9 = 1 22) 1 − 0.2 = 0.8 23) 0.8 + 0.2 = 1 24) 1 − 0.6 = 0.4 25) 1 − 0 = 1 26) 0.8 + 0.2 = 1 27) 0.7 + 0.3 = 1 28) 1 − 0.1 = 0.9 29) 0.4 + 0.6 = 1 30) 1 − 0.8 = 0.2 31) 1 − 0.7 = 0.3 32) 0.2 + 0.8 = 1 33) 1 − 0.9 = 0.1 34) 0 + 1 = 1 35) 0.7 + 0.3 = 1 36) 1 − 0.4 = 0.6 37) 0.5 + 0.5 = 1 38) 0.8 + 0.2 = 1 39) 1 − 0.1 = 0.9 40) 1 − 0.7 = 0.3 41) 0.6 + 0.4 = 1 42) 0.8 + 0.2 = 1 43) 1 − 0.9 = 0.1 44) 1 − 0.5 = 0.5 45) 1 − 0.8 = 0.2

FAQs

What does “number bonds up to 1 with 1dp” mean?

It means finding pairs of decimals (to one decimal place) that add up to 1, or using subtraction to reach the remaining part that makes 1.

How do I use this worksheet?

For each numbered question, fill in the missing decimal so the total becomes 1. Then compare your answers with the provided answer section.

Are the questions limited to decimals with one decimal place?

Yes. The problems use values like 0.1, 0.2, 0.3 up to 0.9, so results stay at one decimal place.

Oct 22, 2026

Uploaded by Đào