Page 174 - Start Up Mathematics_6

solve Mentally
True or False

1. Every fraction with denominator 10 or multiples of 10 can be written in decimal notation.
2. Every decimal number having upto 2 decimal places can be written as a fraction with
denominator 10 or 100.

3. Every decimal cannot be represented on a number line.
4. A decimal number having more decimal places is greater than a decimal number having less
decimal places.
5. Two decimals can be subtracted only if they have same decimal places.
6. If a decimal number is multiplied by 100, the decimal moves two places to the right.

Fill in the Blanks

1. The decimal point comes between ones place and _____________ place in a decimal number.
2. The place value of digit 2 in the number 6.802 is _____________.
3. If a circle is divided into 100 equal parts then each part represents _____________ of the
whole circle.

4. The value of the decimal number _____________ if any number of zeros are added after or
before it.
5. 3 ones, 4 tenths, 0 hundredths and 1 thousandths in decimal form is _____________.

Answer in One Word or a Line
1. Can unlike decimals be equivalent?

2. What is the multiplying factor as we go to the right of the decimal in the place value table?
3. Convert 324 paise into rupees.

4. Between which two integers does –5.18 lies?
5. Convert 5.03 into a fraction.

let’s evaluate

1. Write the following decimals in the place value table.
(a) 321.31 (b) 66.758
2. Write the following as decimals:
(a) Six hundred seven and fifty-five hundredths (b) Forty-seven and forty-seven thousandths

3. Express the following fractions as decimals.
43 6 1,428 9 1
(a) (b) (c) (d) (e) 3
1,000 1,000 100 20 4

4. Write each of the following as decimals:
3 4 1 2 3
(a) 500 + 60 + 5 + + (b) 300 + 70 + 9 + + +
10 100 10 100 1,000
5. Express the following decimals as fractions in the lowest terms:
(a) 0.7 (b) 0.003 (c) 64.2 (d) 2.005 (e) 10.25

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