ADD AND SUBTRACT DECIMAL NUMBERS

Ben weighs 7.6 Kg. When he carried his bag, his mass increased by 2.3 kg. Calculate the new mass of Ben with his bag.

• 10 Kg
• 10.1 Kg
• 9.8 kg
• 9.9 kg

Sarah bought 12 meter of green fabric, 2.6 meter of red fabric, and 14.5 meter white fabric to make the Lebanese Flag on the Independence Day. How much fabric did Sarah bought?

• 28.6
• 28.1
• 29
• 29.1

Hassan was confused about his mass. The first time he visited the nutritionist his mass was 100.4 Kg. After 6 months his mass dropped to reach 72.9 Kg. Calculate the mass that Hassan lost. 

• 26.5
• 28.5
• 27.5
• 29.5

Jamila's mom gave birth to a baby boy and named him Wassim. When he was first born, he weighed 2.87 kg, and after two months he weighed 4.54 kg. How much did the mass of Wassim increased in those two months?

• 2.67 Kg
• 1.67 Kg
• 6.41 Kg
• 7.41 Kg

15.07 - 12.2 =

• 2.87

• 1.87

• 3.87

• 2.80

Jim earns $22.50, $14.75, and $8.50 on three different days.  How much did he earn in all? 

• $28.75
• $45.25
• $45.75
• 457.50

Round 23.542 to the nearest tenth.

• 23.5
• 23.6
• 23.54
• 23

Round 1.823 to the nearest whole number.

• 1

• 1.8

• 2

• 2.8

Which of the following is true?

• 1.99 rounded to the nearest tenth is 2.0
• 2.01 rounded to the nearest tenth is 2.1
• 11.14 rounded to the nearest whole number is 12
• 16.342 rounded to the nearest hundredth is 16.33

Which digit is in the tenths place?
236.4791

• 3
• 6
• 4
• 7