4.10b

Adding and Subtracting Whole Numbers and Decimals!! (and profit too!)

By ALEXIS BALBONI

Multiple Choice

When we add or subtract decimals we have THREE steps! What are they?

• Completely ignore the decimal and add or subtract like normal

• Line em up!!

  Fill em in!!

  Drop em down!!

• Try adding or subtracting it in your head since they are small numbers

​Let's practice together!!

​7.34 + 2.99 =

​7.34 - 2.99 =

​4.6 - 2.82 =

32.6 + 4.08 =​

​70 - 5.47 =

Multiple Choice

8.94 + 9.67 =

• 18.61

• 1,861

• 17.71

• 1,771

Multiple Choice

55.2 - 49.09 =

• 104.29

• 6.11

• 14.29

• 4.29

Multiple Choice

43.2 - 22.19 =

• 17.87

• 21.01

• 21.19

• not here

Multiple Choice

60 + 67.89 =

• 127.89

• 68.49

• 87.09

• 120

Multiple Choice

Linda ran 8.2 kilometers on Monday, 9.34 kilometers on Tuesday, and 12.43 kilometers on Wednesday. How many kilometers did she run altogether on the three days?

• 29.97 kilometers

• 21.77 kilometers

• 20.63 kilometers

• 17.54 kilometers

Multiple Choice

The ecology club has a recycling program. They collected 4,092 plastic bottles last year, and this year are hoping to collect 6,000 bottles. How many more do they need to collect to reach their goal?

• 10,092

• 1,908

• 2,000

• 6,000

Let's talk Profit.....!!!

Multiple Choice

A financial gain, especially the difference between the amount earned and the amount spent in buying, operating, or producing something are ________________.

• Profits

• Goods

• Loans

• Marketing Plans

Multiple Choice

Evan bought an old mirror at a thrift store. He fixed it up and sold it for a profit. Evan made a list about what he did.

• Price paid for the mirror: $10
• Cost to repair: $1.95
• Cost to paint: $3.88
• Selling price: $35

What was Evan's profit from selling the mirror?

• $19.17

• $25

• $29.17

• $15.83

Multiple Choice

Claudia sold beaded bracelets.

• Claudia's expenses were $13.65 for supplies.
• Claudia sold 10 bracelets for $4 each.

What was Claudia's profit?

• $10.65

• $26.35

• $33.65

• not here