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Addition & Subtraction — Lesson 1: Number Bonds & Counting On

An interactive KS1 (Year 1–2) e-learning lesson teaching addition and subtraction within 20 — counting on, number bonds, taking away and fact families. Aligned to the DfE National Curriculum. Progress and practice scores are tracked.

Key stage

Key Stage 1

Subject

Mathematics

Time

~12 min

Access

Free

Progress

Tracked

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You're going to watch and interact with an interactive lesson about mathematics. It should take about 10 minutes. Take your time — there's no rush. If you get stuck, ask a grown-up.

This is an interactive lesson for Key Stage 1 mathematics — about 10 minutes of focused activity. Your child can watch and interact with this on their own or with you alongside. There's no pressure to finish in one sitting.

Their best score, the time taken, and any answers they got wrong will all be saved automatically to your dashboard so you can see how they're getting on.

A an interactive lesson aligned to the DfE National Curriculum for Key Stage 1 mathematics. Use as a standalone activity, a homework task, or a lesson plenary.

Pupils' completion data and assessment scores flow into the class dashboard so you can spot who needs support and on which sub-topic.

Ask your child to retell what they learned in their own words. If they can summarise the main idea, the lesson landed.

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Cookie	Provider	Purpose	Duration
`_ga`	Google Analytics	Tells anonymous visitors apart to count usage.	2 years
`_ga_*`	Google Analytics	Keeps analytics session state.	2 years
`_gid`	Google Analytics	Tells anonymous visitors apart (short term).	24 hours
`_gat`	Google Analytics	Limits how often analytics data is collected.	1 minute

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Addition & Subtraction — Lesson 1: Number Bonds & Counting On

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Addition & Subtraction — Lesson 1: Number Bonds & Counting On

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