NATIONAL LEARNING CAMP - LESSON 21 (MATHEMATICS 7-8)

National Learning Camp instructional material of lesson 21 for Math 7 - 8

1. Lesson 21 Addition and Subtraction Facts + 5 and – 5

2. Fill in the blanks below :

3. LET’S CHECK

4. Lesson Intention In these Intervention Mathematics lessons, we are looking at the number facts up to 12. Today, our focus is on subtracting 5, 9 and 11. In our earlier lessons, we looked at subtracting 9 and 11. In this lesson, our focus is subtracting 5. While you may know this number fact, canyou give answers that are fast and correct? Lesson Language Deduct, deducted, deduction. Lesson 9: Intention & Language

5. Answer as many as you can in 2 minutes. Lesson 21 Speed Questions (+ & - 5)

6. Let’s Check:

7. Lesson 9. Work Sheet

8. Lesson 9. Work Sheet If the ‘7’ became a ‘2’; how much smaller would the new number be? 537 _____ b) 2178 _____ c) 7129 _____ d) 732 _____ e) 5473 _____ f) 8781 _____

9. 2. Use numbers 1 to 10 to fill the empty cells so that the sum of each horizontal block of cells equals the clue number on its left, and the sum of each vertical block is the number on top. Each number can only be used once per block.

10. 3. Place the numbers 1 to 9 in the 3 by 3 grid so that each horizontal and vertical line adds up to the given sum. You can only use each number once. Some numbers are already placed for you.

11. Let’s Check: If the ‘7’ became a ‘2’; how much smaller would the new number be? 537 _____ b) 2178 _____ c) 7129 _____ d) 732 _____ e) 5473 _____ f) 8781 _____ 5 50 5000 500 50 500

12. 2. Use numbers 1 to 10 to fill the empty cells so that the sum of each horizontal block of cells equals the clue number on its left, and the sum of each vertical block is the number on top. Each number can only be used once per block. 10 9 7 7 4 8 7 8 3

13. 3. Place the numbers 1 to 9 in the 3 by 3 grid so that each horizontal and vertical line adds up to the given sum. You can only use each number once. Some numbers are already placed for you. 1 5 2 4 8 6 9 8 3 1 4 1 8 5 2

14. Lesson 21: Four Minute Subtraction Frenzy Subtract the number in the inside circle from the number in the middle circle and write your answer in the space. How many can you correctly complete in 4 minutes?

15. Let’s Check:

16. Lesson 21: Reflection & Metacognition

17. 1.What did you learn today? ___________________________________________________________________________

18. 2. What were your improvements today? ___________________________________________________________________________

19. How confident do you feel about today’s focus topic of adding 6 after today’s lessons? Circle one below:

20. I am not sure/confused about this topic I have some questions about this topic I think I can do this topic I am sure I can do this topic

21. Thank You