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Dr Fog Presents

Engage students in mental math tasks and interactive activities focusing on subtraction, enhancing number skills and problem-solving abilities.

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Dr Fog Presents

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  1. Words about Subtraction Dr Fog Presents Year 2 (National Numeracy Strategy) (Based on DFEE Sample Lessons)

  2. Resources • Large display cards (See sheet) • Large 0 – 30 number cards (One of each number)

  3. Mental Learning Objective • I can understand how to take away. • I can use and read words about take away.

  4. Mental Learning Task • Today we are going to do some work on subtraction. • I am going to give you some sums to solve in your head.

  5. Mental Learning Task Take 3 from 7

  6. Mental Learning Task What is 4 less than 8?

  7. Mental Learning Task What is 9 subtract 3?

  8. Mental Learning Task What is the difference between 10 and 18?

  9. Mental Learning Task What is 11 take away 5?

  10. Mental Learning Task What do you get if you count back 5 from 14?

  11. Mental Learning Task What is 21 minus 6?

  12. Mental Learning Task What does 4 taken from 7 leave?

  13. Mental Learning Task 6 taken from a number leaves 5. What is the number?

  14. Mental Learning Task • How did you solve these questions? • Who did something different? • Did anyone just know it?

  15. Mental Learning Task • Lets look at some of these sums again. • When writing these sums, it is important the larger number goes first. • Write a number sentence for each of these sums.

  16. Mental Learning Task What is 21 minus 6?

  17. Mental Learning Task What does 4 taken from 7 leave?

  18. Mental Learning Task 6 taken from a number leaves 5. What is the number?

  19. Mental Learning Objective • I can understand how to take away. • I can use and read words about take away.

  20. Main Learning Objective • I can practise putting the larger number first.

  21. Main Learning Task • Today we are going to look at taking away. • We are going to work as a class.

  22. Main Learning Task • I need 4 volunteers. • Give two of them large number cards • Give two large phrase cards.

  23. Main Learning Task • Ask the four children to arrange themselves facing the class so that when they hold up their cards, they make an unfinished number sentence. • Get the class to chant the complete sentence aloud.

  24. Main Learning Task • Can another child find the right number card? • The class now chants the whole sentence. • Replace the phrase words.

  25. Main Learning Task • Do this activity as many times as you can.

  26. Main Learning Task • Introduce a mystery card. 6 ? Leaves 2 Taken from

  27. Main Learning Task • Copy and complete. less than  is  • take away  leaves  • taken from  leaves  • minus  equals • count back  comes to  The difference between  and is   -  =  You can only use the numbers 5, 4, 9 or 8, 13, 21

  28. Main Learning Objective • I can practise putting the larger number first.

  29. Plenary • less than  is  • take away  leaves  • taken from  leaves  • minus  equals • count back  comes to  The difference between  and is   -  =  • Mark your own work as I read the answers out loud

  30. Takeaway Display Cards

  31. Where Can I Find More Resources Like This? • You can now visit my teaching resource website at http://www.DrFog.co.uk • You can click here to search for more of my teaching resources. • Click here to visit my TES shop!

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