Without Panic Maths · Number 16
Adding and Subtracting Decimals
Adding and subtracting decimals uses the same column methods as whole numbers. The one big rule: line up the decimal points, not the last digits. Fill any gaps with zeros, then work from the right.
- Mini-lessons
- 10
- Questions
- 120
- Student Pack
- 90 pages
- Suggested year
- Year 7
What you get
- Student Pack (PDF, 90 pages)
- Teacher Pack (PDF) with every answer and reteach cards
- Print as many copies as you need for your own pupils
Save with a bundle
- Decimals8 packs ·
£28£25 - Number, Year 722 packs ·
£73.50£65 - Number: complete strand54 packs ·
£182£161
What this pack does
What pupils learn
Adding and subtracting decimals uses the same column methods as whole numbers. The one big rule: line up the decimal points, not the last digits. Fill any gaps with zeros, then work from the right.
The mini-lessons
- Why Decimal Alignment Matters
- Adding Decimals with the Same Number of Decimal Places
- Adding Decimals with Different Numbers of Decimal Places
- Decimal Addition with Carrying
- Subtracting Decimals with the Same Number of Decimal Places
- Subtracting Decimals with Different Numbers of Decimal Places
- Decimal Subtraction with Exchanging
- Money Contexts
- Measures and Checking Answers
- Mixed Check and Correcting Mistakes
Inside every pack
What each part of the page is for
Confidence check
Pupils tick how a topic feels before they start, and again at the end. There are no marks, so it's an honest picture of where they are.
Short mini-lessons
Each topic is split into small steps. Every mini-lesson opens with one big idea and a short, plain-English explanation.
Visuals for every idea
Diagrams such as a formula 'rule machine' or a place-value picture show the maths, so pupils can see it as well as read it.
Worked examples
Every method is modelled step by step before pupils try it, with each stage labelled so they can follow it on their own.
Scaffolded practice
Questions start with prompts (what do you need to find, follow the example, check it makes sense) and gradually ask for more independence.
Spot the trap
Common mistakes are named before pupils make them, and Mistake Detective questions ask them to find and fix errors.
Pause and think
Short 'explain it in your own words' prompts check that pupils understand why the maths works, not just how.
Teacher Pack with answers
Every pack comes with a Teacher Pack: all the answers, plus reteach cards saying what to watch for, what to say, and what to try if a pupil is still stuck.
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