13

7

(6)

8 2 x 5 1 = 26 x 21 = 546 = 45 6 = 45 1 or 26x21 =91

3

4

3 4

12

12

2

3 4

2

1

2

e. (1)

11**:**1=4x2=8 =22

3 2 3 1 3

3

(2)

6 **: **1 = 6 x 3 = 18 = 18

3 1 1

1

(3)

6 1 **: **2 = 13 x 1 = 13 = 3 1

2

2 2

4

4

1

(4)

3 **: **1 = 3 x 2 = 6 = 1 2 = 1 1 (or 3 x 2 = 3 = 1 1)

4 2 4 1 4

4

2

4 1 2

2

2

(5)

7 1 **: **5 1 = 15 x 5 = 75 = 1 23

2

5

2 26 52

52

(6)

8 **: **1 = 8 x 4 = 32 = 32

4 1 1

1

a. The word "decimal" means ten. A decimal is a fraction whose denominator is

ten or a multiple of ten.

b. All the numbers written to the left of the "decimal point" (a dot) are whole

numbers. The numbers written to the right of the decimal point are "decimals" (less

than one).

c. The first place to the right of the decimal point is for tenths, the second place

for hundredths, the third for thousandths, and so forth.

Figure 1-2. The decimal system.

MD0904

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