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May 2013

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How to help students with multiplication tables?

Drilling multiplication tables of 2, 3, 10, and 5
Teaching guide from HomeschoolMath.net

This is an example of how to drill multiplication tables of 2, 3, 10, and 5, in the way as explained in the oral drilling guide. After each table, the student completes a 12x12 grid which has those facts blocked out that aren't studied yet. Each time, the blocked squares get fewer and fewer. These ideas are taken from my Multiplication 1 ebook.

Multiplication table of 2

Count by twos. 

0, 2, 4, __, __, __, __, __, __, __, __, __, __

Fill in the multiplication table:

 Is there any connection between the two lines of numbers you just wrote?

Those numbers form THE MULTIPLICATION TABLE OF 2.  It is often written in this form, too.  Fill in the table.

You need to memorize these facts.  Cover the answers in the table with one hand and try to remember them!  Also practice them orally with your teacher.

Drill

1.  Count by twos again.  Cover the list with your hand and repeat the list in your head or to your teacher until you can list the numbers easily.  You can first work with the first half of the list, then with the second half, and lastly do the whole thing.

0, 2, __, __, __, __, __, __, __, __, __, __, __

2.  Count by twos backwards.  Cover the list with your hand and repeat the list in your head or to your teacher until you can list the numbers easily.

24, __, __, __, __, __, __, __, __, __, __, __, 0

3.  Fill in the missing numbers - but only in your head.  Do NOT write the answers down.  Go through the problems in your head or with your teacher until you remember them easily.

a.     × 2 = 14   × 2 = 4   × 2 = 8   × 2 = 16     × 2 = 22     × 2 = 10

b.     × 2 = 12   × 2 = 6     × 2 = 18     × 2 = 24   × 2 = 2     × 2 = 20

c. 2 ×   = 6 2 ×   = 2  2 ×   = 18  2 ×   = 24  2 ×   = 14  2 ×   = 22

d.   2 ×   = 12 2 ×   = 8   2 ×   = 10   2 ×   = 20 2 ×   = 4   2 ×   = 16

Multiplication table of 3

Count by threes:             0, 3, 6, __, __, __, __, __, __, __, __, __, __

Those numbers form THE MULTIPLICATION TABLE OF 3.  It is often written in this form, too.  Fill in the table.  You need to memorize these facts.  Cover the answers in the table with one hand and try to remember them!  Also practice them orally with your teacher.

Note: the multiplication fact 2 × 3 = 6 or 3 × 2 =  6 is both in the table of three and table of two.

Drill

1.  Count by threes again, both up and down.  Cover a  list with your hand and repeat it in your head or to your teacher until you can list the numbers easily.  You can first work with the first half of the list, then with the second half, and lastly do the whole thing.

0, 3, __, __, __, __, __, __, __, __, __, __, __

36, __, __, __, __, __, __, __, __, __, __, __, 0

 
2.  Multiply - but only in your head.  Do NOT write the answers down.  Go through the problems in your head until you master them easily.

3.  Fill the missing numbers - but only in your head.  You can drill these problems like the ones before.

× 3 = 15   × 3 = 3   × 3 = 36   × 3 = 21   × 3 = 30   × 3 = 9

× 3 = 12   × 3 = 6   × 3 = 18   × 3 = 24   × 3 = 33   × 3 = 27

3 ×   = 21 3 ×   = 27 3 ×   = 18 3 ×   = 24 3 ×   = 36 3 ×   = 9

3 ×   = 12 3 ×   = 3 3 ×   = 15 3 ×   = 33 3 ×   = 6 3 ×   = 30

6.  Fill in parts of the multiplication table that we have studied.

Multiplication table of 10

Fill in THE MULTIPLICATION TABLE OF 10.  That is one of the easiest!  
You need to memorize these facts.  Cover the answers in the table with one hand and try to remember them!  Also practice them orally with your teacher.

What same multiplication fact is both in the table of three and table of ten?

10 × 3 = 30 or  3 × 10 = 30

What same multiplication fact is both in the table of two and table of ten?

_____________________________________

Drill

1.  Count by tens.  Cover the list with your hand and repeat the list in your head or to your teacher until you can list the numbers easily.  You can first work with the first half of the list, then with the second half, and lastly do the whole thing.

0, 10, __, __, __, __, __, __, __, __, __, __, __

2.  Count by tens backwards.  Cover the list with your hand and repeat the list in your head or to your teacher until you can list the numbers easily.

120, __, __, __, __, __, __, __, __, __, __, __, 0

3.  Multiply - but only in your head.  Do NOT write the answers down.  Go through the problems in your head or with your teacher until you master them easily.

5.  Fill in parts of the multiplication table that we have studied.  

6.  Change centimeters into millimeters and vice versa!

8.  Measure a spoon, a  pencil, a pen, a nail, and a safety-pin in centimeters and millimeters.

Multiplication table of 5

Count by fives.

0, 5, __, __, __, __, __, __, __, __, __, __, __

Fill in THE MULTIPLICATION TABLE OF 5.  That is also an easy one!
You need to memorize these facts.  Cover the answers in the table with one hand and try to remember them!  Also practice them orally with your teacher.

What same multiplication fact is both in the table of two and table of five?

_____________________________________

What same multiplication fact is both in the table of three and table of five?

_____________________________________

What same multiplication fact is both in the table of ten and table of five?

_____________________________________

Drill

1.  Count by fives.  Cover the list with your hand and repeat the list in your head or to your teacher until you can list the numbers easily.  You can first work with the first half of the list, then with the second half, and lastly do the whole thing.

0, 5, __, __, __, __, __, __, __, __, __, __, __

3.  Multiply - but only in your head.  Do NOT write the answers down.  Go through the problems in your head or with your teacher until you master them easily.

4.  Fill in the missing numbers - but only in your head.  Do NOT write the answers down.  Go through the problems in your head or with your teacher until you remember them easily.

× 5 = 15   × 5 = 40   × 5 = 55   × 5 = 5   × 5 = 35   × 5 = 10

× 5 = 45   × 5 = 30   × 5 = 60   × 5 = 50   × 5 = 25   × 5 = 20

5 ×   = 35 5 ×   = 15 5 ×   = 50 5 ×   = 5 5 ×   = 25 5 ×   = 40

5 ×   = 55 5 ×   = 30 5 ×   = 10 5 ×   = 60 5 ×   = 45 5 ×   = 20

6.  Fill in parts of the multiplication table that we have studied.