Adding & Subtracting Decimals (Practice)

What is the first step when adding and subtracting decimals?

• Line up the numbers
• Line up the decimals
• Add or subtract like normal
• Add in placeholders

Caleb swam a race in 21.49 seconds.  Brad swam in 21.59 seconds.  Vick swam in 20.3 seconds.  How long did the boys take to complete the race together? 

• 633.8
• 63.11
• 22.78
• 63.38

Abby buys a game for $7.89 and batteries for $5.49.  She pays with a twenty dollar bill, how much change will she receive? 

• 7.72
• 33.38
• 13.38
• 6.62

Tom was weighing the amount of candy he received for Halloween. If he received 8.30 kg and his brother received 1.8 kg, how much candy did they get all together?

• 10.1 pounds
• 6.5 pounds
• 10.1 kg
• 6.5 kg

On three different days at her job, Sara earned $27.50, $33, and $49.75. She needs to earn $100 to buy a desk for her computer. If she buys the desk, how much money will she have left over?

• $209

• $9

• $102.50

• $10.25

Ray and his friends visited a fruit farm on Sunday. They picked 12.34 pounds of apples and 9.56 pounds of raspberries. How many pounds of fruits in all did Ray and his friends pick on Sunday?

• 2.78
• 20.7
• 21.9

Kennedy went to shopping she had $30. She bought a shirt for $10.00, 2 bottles of finger nail polish for $1.68 each, and a eye shadow for $6. How much money did she get back from the cashier?

• $19.36

• $10.64

• $11.36

Lisa had a budget of $100. She bought a shirt for $27.99 and a pair of pants for $25.99. How much money does she have left to buy other things?

• $46.12
• $45.02
• $46.02
• $53.98

• 1.5 - 0.6 = 0.9

• 1.5 - 0.5 = 1

• 1.5 - 0.06 = 0.09

• I love bananas

• 0.34 + 0.29 = 0.63

• 0.30 + 0.33 = 0.63

• 3.4 + 2.9 = 6.3

• Go Chargers