Page 150 - Mathematics_Std_4
P. 150
Revision Exercise
1. Write the following numerals in words:
(a) 0.9 (b) 3.21 (c) 1.008 (d) 459.367
FOR ONLINE READING ONLY
2. Write the following in numerals.
(a) Ten point zero
(b) Eighty-seven point three two
(c) Zero point zero zero three
(d) Nine hundred and ninety-nine point nine nine nine
3. Convert the following fractions into decimals:
3 8 11 70
(a) (b) (c) (d)
8 50 20 112
=
4. + 7.2 9.73
5. −0.08 0.02 =
6. + 148.28 312.09 =
7. − 39.128 31.08 =
8. +88.738 =11.004
9. + 253.092 =11.367
10. −0.899 0.371 =
11. 283.42 − =154.761
143
06/11/2024 17:17:52
MATHEMATICS STD 4 PB 2024.indd 143
MATHEMATICS STD 4 PB 2024.indd 143 06/11/2024 17:17:52