Addition and Subtraction of Decimals

Which addition expression adds up to 6.54?

• 6.0 + 0.54

• 6.5 + 0.4

• 6 + 0.54

• Both a and b

There is always a "ghost decimal or invisible decimal" to the right of the one's place. In the number 46, where is the "ghost decimal or invisible decimal" hiding?

• To the right of 4

• To the left of 4

• To the right of 6

• Between 4 and 6

Which number below has a 3 in the hundredth's place?

• 3.45

• 32.67

• 10.35

• 98.23

Add 4.56 + 32.4

• 36.96

• 78

• 7.8

• 369.6

Subtract 4.98 - 1

• 4.88

• 4.97

• 3.98

• 3.88

Which of the following differences are equal to 62.34?

• 64.81 - 2.47

• 66.82 - 4.58

• 67.24 - 1.47

• 66.72 - 4.58

Maria has Rs. 33.08 in her piggy bank. If she uses Rs. 5.78 at the bookfair and Rs. 3.25 at the candy store, how much money will she have left?

• Rs. 26.51

• Rs. 24.08

• Rs. 24.05

• Rs. 24.03

Rianna was measuring how much taller she got over two years. In the first year, she grew 4.62 cm. In the second year, she grew 7.7 cm. How much taller did she get altogether?

• 12.32 cm

• 1.232 cm

• 123.2 cm

• 3.08 cm

Add : 9.0 + 0.9

• 9

• 0.9

• 9.9

• 90.09

The difference between 5.68 and the smallest whole number is

• 4.68

• 5.68

• 6.68

• 5.86