Page 315 - Start Up Mathematics_7

(c) If product of two fractions is 1, then either of them is the ____________ of the other.
(d) 2 m 15 cm in metres is equal to _______________.
(e) Every rational number marked on a number line is _____________ than all the rational numbers
on its left.

Section D

4. Give one word or sentence for the following: 1 M × 5 = 5 M
(a) Define absolute value of an integer.
(b) What are like fractions?

(c) What is the place value of 4 in the decimal number 3.842?
(d) What is the effect of multiplying a decimal number by 10 where p is a positive integer?
p
(e) What type of decimal representation do rational numbers have?

Section E

5. Write the fraction represented by the shaded part in the given figure. Also write its simplest form.

2 M

6. A piece of wood measuring 15.41 metres is to be cut into smaller pieces each 0.23 metres long. How
many small pieces is the wood cut into? 3 M

Project Work

Fractions

Curve stitching or string art is a beautiful way of combining geometry with art. It is based on the fact that we
can obtain a curve by drawing many tangents.
Join the equivalent fractions by a line segment in the given figure to obtain a curve.

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