Lesson XXXV

REVIEW

Lots of practice with subtraction problems!  These all use numbers between TWO and NINETEEN.

(Minor note: at about 8:35 I had a Common Core moment and inadvertently said the answer to “seventeen less nine” is six.  Wrong!)

 


RAY’S NEW PRIMARY ARITHMETIC.

LESSON XXXV.

1. How many are  4  less  2 ?

SOLUTION.– 4  less  2  are  2.

2. How many are  10  less  4 ?    10  less  6 ?    6  less  3 ?

3. How many are  7  less  5 ?    9  less  3 ?    11  less  4 ?

4. How many are  12  less  4 ?    12  less  8 ?    13  less  6 ?

5. How many are  18  less  10 ?    19  less  9 ?    15  less  9 ?

6. How many are  16  less  10 ?    13  less  3 ?    14  less  7 ?

7. How many are  11  less  8 ?    7  less  4 ?    11  less  6 ?

8. How many are  12  less  3 ?    16  less  7 ?    15  less 10 ?

9.  How many are  17  less  8 ?    17  less  10 ?    11  less  9 ?

10. How many are  9  less  5 ?    8  less  3 ?    7  less  2 ?

********************

11. How many are  8  less  6 ?    10  less  7 ?    11  less  5 ?

12. How many are  12  less  9 ?    13  less  10 ?    12  less  10 ?

13. How many are  14  less  9 ?    13  less  7 ?    15  less  8 ?

14. How many are  17  less  9 ?    13  less  4 ?    16  less  8 ?

15. How many are  11  less  7 ?    18  less  9 ?    15  less  7 ?

16. How many are  16  less  9 ?    13  less  5 ?    12  less  6 ?

17. How many are  14  less  10 ?    14  less  8 ?    9  less  4 ?

18. How many are  15  less  6 ?    12  less  5 ?    8  less  5 ?

19. How many are  11  less  3 ?    15  less  5 ?    12  less  7 ?

20. How many are  9  less  2 ?    19  less  10 ?    17  less  7 ?

***************

21. How many are  5  less  2 ?    10  less  3 ?    12  less  2 ?

22. How many are  18  less  8 ?    5  less  3 ?    6  less  4 ?

23. How many are  6  less  2 ?    14  less  6 ?    9  less  6 ?

24. Bow many are  16  less  6 ?    14  less  4 ?    8  less  2 ?

25. How many are  8  less  4 ?    13  less  9 ?    9  less  7 ?

26. How many are  10  less  2 ?    14  less  5 ?    11  less  2 ?

27. How many are  13  less  8 ?    10  less  8 ?    10  less 3 ?

(38)

Rays woodcutborder


Back to Primary Math

Go to Lesson XXXVI, part 1

Return to Ray’s Arithmetic Home

Comments

  1. Rosa A Cardona-Moreu says:

    on minute 9:10, answer should be: 17-9=8

Question or Comment?

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s

%d bloggers like this: