Stage 5Skill #21 of 50Year 3 to Year 5Ages 7–9

Tens Pairs to 100 Worksheets

Pairs of multiples of 10 that add to 100 (e.g. 40 + 60 = 100). Customise question counts (10, 20, 30, 40, or 50), choose randomised or fixed standardised forms (Form A / Form B), and print or download free collated A4 worksheets with duplex answer keys.

Example Problem:40 + ___ = 100•Free Printable PDF•Reverse Duplex Marking Guide•No Sign-in Required
Stage 5

Tens Pairs to 100

Pairs of multiples of 10 that add to 100 (e.g. 40 + 60 = 100).

Questions:
Variant:
Style:

Sample Problems (8 shown of 20 selected)

1.100 - 50 =
2.10 + __ = 100
3.60 + __ = 100
4.50 + __ = 100
5.100 - 10 =
6.100 - 40 =
7.40 + __ = 100
8.100 - 90 =
Generated worksheets are formatted for standard A4 paper with optimal card spacing, student time limit boxes, and reverse-side duplex answer keys.
Classroom Batch Printing

Need differentiated worksheets for your whole class?

Use the Interactive Classroom Tracker to add your students, track skill mastery on a visual heatmap, and batch-print personalised worksheets for everyone in one click.

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Teaching & Curriculum Guide: Tens Pairs to 100

Curriculum Context

Stage 5: Early Additive & Multiplicative (Facts to 20 & 2, 5, 10 Times Tables)

Skill #7 of 12 in Stage 5. Focuses on facts to 20 & core times tables.

Fluency Benchmark

18+/20 Recall Fluency

Aim for quick, confident recall within a 5-minute timed sprint before advancing to sequential higher-stage skills.

Classroom Differentiation

Whole-Class Batch Printing

Pair with the Interactive Classroom Tracker to assign this skill to specific students while others work on adjacent skills.

Other Stage 5 Basic Facts Skills

View all 12 skills in Stage 5 →