Showing posts with label Addition. Show all posts
Showing posts with label Addition. Show all posts

Monday, 26 February 2024

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Montessori Activity: Creating 3-Dimensional Pyramid with Colored Bead Stair

Objective:

To provide your child a sensorial experience of building squares and stacking them up into a pyramid with the colored bead stairs.

Materials:

10 each of the color bead stairs from Decanomial Bead Bars set

Additional Information:

C invented this activity by herself today while working on making combinations of 10 with colored bead stairs.

 





Saturday, 26 December 2015

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Addition Fraction with LEGO


AGE: 6 years

OBJECTIVE(S):
  1. To demonstrate how a whole may be divided into parts. 
  2. To prepare for working with the fractional insets. 
  3. To prepare for working with the abstract notation of fractions. 
MATERIALS:
  1. 4 sets of LEGO bricks (1 LEGO brick is a whole, 1 is divided into halves, 1 is divided into fourths, 1 is divided into eighths)
  2. 1 worksheet with the following written: 1 whole, 1/2, 1/4 and 1/8
  3. 1 butter knife
  4. 1 tray
PRESENTATION:
  1. Place 1/4 brick on the worksheet.
  2. Place 3/4 brick on the worksheet.
  3. Put them together on the left of the equation, saying "This is 1/4 + 3/4..."
  4. Place four 1/4 bricks, and say, "...which is equal to 4/4."
  5. Place 1 whole brick and say, "4/4 is the same as 1 whole."
VIDEO DEMONSTRATION:


ADDITIONAL INFORMATION:

J tried this on 27 December 2015 (6Y8M22D). He loved writing the fractions down. It took some time to explain this problem sum to him, but when I varied it to 2/4 + 2/4, he got a little confused. So I need to repeat this lesson at a later date.

0. Prepare your materials

1. Place 1/4 brick on the worksheet.

2. Place 3/4 brick on the worksheet.

3. Put them together on the left of the equation, saying "This is 1/4 + 3/4."

4. Place four 1/4 bricks, and say, "Which is equal to 4/4."

5. Place 1 whole brick and say, "4/4 is the same as 1 whole."

27 December 2015 (6Y8M22D)

Friday, 28 August 2015

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Montessori Activity: Small Bead Frame - Dynamic Addition (With Exchange)


Note: I am showing the large bead frame above, because it is not necessary to buy both the small bead frame and the large bead frame. I am using the large bead frame to do the small bead frame exercises.

AGE: 5.5 (after the child has worked with the Stamp Game)

OBJECTIVE(S):

To show the relationship between the different place values in the decimal system.

MATERIALS:

1. Small bead frame
2. 1 worksheet
3. 1 green, red and blue pencil

PRESENTATION:

1. Read a problem to your child, i.e.:

    4679
+ 2864
---------
   7543
2. Slide 9 green unit beads to the right.

3. During the process of adding 4, slide 1 green unit bead over to the right, which makes the total of 10.

4. Exchange by sliding 10 green unit beads back to the left and 1 blue ten bead the right.

5. Continue sliding the 3 remaining green unit beads to the right, counting as you go along... 2, 3, 4.

6. Count the beads on the right, i.e. 13 and record it on the worksheet.

7. Next slide 7 blue ten beads to the right.

8. During the process of adding 6, slide 2 blue ten beads over to the right, which makes the total of 10.

9. Exchange by sliding 10 blue ten beads back to the left and 1 red hundred bead to the right.

10. Slide the remaining 4 blue ten beads to the right, counting as you go along... 3, 4, 5, 6.

11. Count the beads on the right, i.e. 140 and record it on the worksheet.

12. Slide 6 red hundred beads to the right.

13. During the process of adding 8, slide 3 red hundred beads to the right, which makes a total of 10.

14. Exchange by sliding 10 red hundred beads back to the left and 1 green thousand bead to the right.

15. Continue sliding the 5 remaining red hundred beads to he right, counting as you go along... 4, 5, 6, 7, 8.

16. Count the beads on the right, i.e. 1500 and record it on the worksheet.


17. Slide 4 green thousand beads to the right from the first addend.

18. Slide another 2 green thousand beads to the right for the second addend. 

19. Count the beads on the right and record the answer in the worksheet i.e. 7543.


1. Read a problem to your child.


2. Slide 9 green unit beads to the right.


3. During the process of adding 4, slide 1 green unit bead over to the right, which makes the total of 10.


4. Exchange by sliding 10 green unit beads back to the left and 1 blue ten bead the right.


5. Continue sliding the 3 remaining green unit beads to the right, counting as you go along... 2, 3, 4.


6. Count the beads on the right, i.e. 13 and record it on the worksheet.


7. Next slide 7 blue ten beads to the right.


8. During the process of adding 6, slide 2 blue ten beads over to the right, which makes the total of 10.

9. Exchange by sliding 10 blue ten beads back to the left and 1 red hundred bead to the right.


10. Slide the remaining 4 blue ten beads to the right, counting as you go along... 3, 4, 5, 6.


11. Count the beads on the right, i.e. 140 and record it on the worksheet.


12. Slide 6 red hundred beads to the right.


13. During the process of adding 8, slide 3 red hundred beads to the right, which makes a total of 10.


14. Exchange by sliding 10 red hundred beads back to the left and 1 green thousand bead to the right.


15. Continue sliding the 5 remaining red hundred beads to he right, counting as you go along... 4, 5, 6, 7, 8.


16. Count the beads on the right, i.e. 1500 and record it on the worksheet.


17. Slide 4 green thousand beads to the right from the first addend.



18. Slide another 2 green thousand beads to the right for the second addend. 


19. Count the beads on the right and record the answer in the worksheet i.e. 7543.
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Montessori Activity: Small Bead Frame - Static Addition (Without Exchange)



Note: I am showing the large bead frame above, because it is not necessary to buy both the small bead frame and the large bead frame. I am using the large bead frame to do the small bead frame exercises.

AGE: 5.5 (after the child has worked with the Stamp Game)

OBJECTIVE(S):

To show the relationship between the different place values in the decimal system.

MATERIALS:

1. Small bead frame
2. 1 worksheet
3. 1 green, red and blue pencil

PRESENTATION:

1. Read a problem to your child, i.e.:

   3461
+ 2132
---------

2. Ask your child to build the first addend on the bead frame, i.e. slide 1 green unit bead to the right, 6 blue ten beads to the right, 4 red hundred beads to the right and 3 green thousand beads to the right.

3. Ask your child to build the second addend with the remaining beads, i.e. slide 2 green unit beads to the right, 3 blue ten beads to the right, 1 red hundred bead to the right and 2 green thousand beads to the right.

4. Count the beads on the right and record the answer, i.e. 5593 on the worksheet.

5. Read aloud the question and answer with your child before you end.

VIDEO DEMONSTRATION:




1. Read a problem to your child...


2. Ask your child to build the first addend on the bead frame, i.e. slide 1 green unit bead to the right, 6 blue ten beads to the right, 4 red hundred beads to the right and 3 green thousand beads to the right.


3. Ask your child to build the second addend with the remaining beads, i.e. slide 2 green unit beads to the right, 3 blue ten beads to the right, 1 red hundred bead to the right and 2 green thousand beads to the right.


4. Count the beads on the right and...


record the answer, i.e. 5593 on the worksheet.

5. Read aloud the question and answer with your child before you end.

ADDITIONAL INFORMATION:


J tried this out for the first time today. We started with 4-digit static addition and he wanted something more difficult. We proceeded to 5-digit static addition. He found it challenging learning to read the 5-digit numbers, but had a lot of fun with it. We did this exercise in Chinese Mandarin. I have recorded a video of him trying to read the 5-digit numbers:


1 September 2015 (6Y5M27D)





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