A decimal number cannot be divided by another decimal number having the whole part zero.
True
False
Unlike decimals can be converted into like decimals by adding zeros at the end of the decimal part.
True
False
On multiplying a decimal number by a power of 10, it seems that the digits move to the left of the decimal point by the same number of places as the number of zeros.
True
False
If there are m and n digits to the right of the decimal point in two numbers respectively, then in their product there are (m + n) or less non-zero digits to the right of the decimal point.
True
False
Subtracting 0.54 from a number is the same as subtracting 0.054 from the same number.
True
False
The product of a decimal number and a whole number can never be a whole number.
True
False
To divide a decimal number by 100, we move the decimal point in the number to the left by two places.
True
False
2.3 of 8 is the same as 2.3 ÷ 8.
True
False
Click the correct answer.
What is the value of 0.03784 × 1,000?
3,784
37.84
3.784
378.4
What is the place value of digit 3 in 78.0123?
103
100003
10003
1003
The decimal number 0.72 is represented as a fraction in its lowest terms. What is the fraction?
10072
2518
5018
72100
What will you get on subtracting 4.81 from 43.17?
38.36
38.81
47.98
38.17
What is the decimal form of the number seventeen and seven thousandths?
17.007
1,770.00
17.07
17.7000
On multiplying a decimal number by some power of 10, the place value of a digit changes from tenths to tens. What is the power of 10?
3
0
1
2
Which amongst the following expressions has a different value from others?
6 ÷ 0.21
60 ÷ 2.1
0.6 ÷ 0.21
600 ÷ 21
Which of the following has the smallest value?
0.0002
21,000
0.2 × 22
2100 ÷ 0.01
Click the correct answer.
Every rational number can be expressed as
.
an irrational number
a natural number
a decimal
The expression 2.8 × 6.15 ÷ 1.23 is equal to
.
16
14
15
The number of digits in the decimal part of 5.68 × 3.222 would be
.
5
6
8
The decimal number 7.6291 rounded to the nearest hundredths is
.
7.63
7.62
7.629
The value of the expression 0.01 × 0.000001 × 1,000 is
.
0.0001
0.00001
0.001
The modulus of a decimal number located nearer to zero on a number line is
the modulus of a decimal number located further away from zero.
bigger than
smaller than
equal to
Put the correct symbol in the blank. 100
0.01 = 1
+
×
–
Put the correct symbol in the blank. 0.001
1.01 = 1.011
×
+
÷
Put the correct symbol in the blank. 88.88
8 = 11.11
×
+
÷
Put the correct symbol in the blank. 1.123
0.234 = 0.889
