Page 101 - Start Up Mathematics_5

2. Arrange the following decimal numbers in descending order.

(a) 98.042, 98.102, 97.463, 96.31, 96.02 (b) 102.04, 108.39, 102.7, 105.81, 108.15
(c) 50.27, 50.981, 48.06, 47.245, 45.16 (d) 21.5, 26.04, 22.8, 21.49, 22.03

3. Put the correct sign <, > or =.

(a) 186.02 186.2 (b) 73.4 73.40 (c) 20.408 20.408

(d) 9.08 9.8 (e) 32.15 32.015 (f) 0.07 0.070

LET’S EVALUATE

1. Fill in the blanks.
(a) The place value of 6 in 124.62 is ___________.
3 5
(b) The short form of 50 + 9 + + is ___________.
10 100
(c) The expanded form of 90.043 is ___________.
37
(d) The decimal number represented by is ___________.
100
(e) The fraction represented by 0.145 is ___________.

2. Fill in the boxes.

(a) 92.14 = tens + ones + tenth + hundredths

(b) 184.38 = hundred + tens + ones + tenths + hundredths

(c) = 7 tens + 5 ones + 2 tenths + 4 hundredths

(d) = 6 tens + 3 tenths + 1 hundredth
3. Arrange in ascending order.

(a) 0.85, 0.76, 0.981, 0.034, 0.246 (b) 6.24, 6.024, 6.45, 7.013, 7.14

4. Arrange in descending order.
(a) 63.12, 63.08, 61.80, 60.7, 62.5 (b) 134.7, 138.08, 130.05, 129.95, 131.64
5. Choose the correct answer.

16
(a) in decimal form is:
1000
(i) 0.16 (ii) 0.016 (iii) 1.06 (iv) 1.006

75
(b) in decimal form is:
100
(i) 0.75 (ii) 0.075 (iii) 7.5 (iv) 7.05

93