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Adding
Subtracting
Fact Families
Profit or Loss
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100

8+9

17

100

69-27

42

100

Write the fact family for:

3,9,12

3+9=12

9+3=12

12-9=3

12-3=12

100

Chloe made $450 at a bake sale. She spent $130 on ingredients. Did she make a profit or a loss? 

Profit of $320

100

What is the scale of this number line?

0---2---4---6---8---10---12---14---16---18

The scale of the number line is 0 to 18. 

200

68+41

109

200

597-175

422

200

Write the fact family for:

12,5,7

5+7=12

7+5=12

12-7=5

12-5=7

200

Leopold buys a board game for $98, and three years later he sells it for $85.

Did Leopold make a profit or suffer a loss?

Loss or $13

200

What is the interval of the numberline?

0---20---40---60---80---100---120---140---160---180

The interval is 20.

300

364+326

690

300

75-59

16

300

Write the fact family for:

140, 80, 60

80+60=140

60+80=140

140-80=60

140-60=80

300

Ender bought an old motor bike for $5675. He spent $453 to fix it. Ender then sells the bike for $7265. Did he make a profit or a loss? How much did Ender gain or lose?

Profit of $1,137.

300

Write an example of the commutative property. 

3+4=7

4+3=7

400
541+173

714

400

375-128

247

400

Write the fact family for:

3,7,21

3x7=21

7x3=21

21/3=7

21/7=3

400
Silas buys an old guitar for $893. He spends $78 for new strings, $56 to fix the neck of the guitar and $35 to buff out scratches. Silas decides to resale the guitar for $1200. Does he make a profit or have a loss? How much is the profit or loss?

Silas returns a profit of $138.

400

Explain one example of HOW a bar graph is helpful.

Answers may vary.

500

3,689+4,562

8251

500

506-328

178

500

Write the fact family for:

20,5,4

4x5=20

5x4=20

20/5=4

20/4=5

500

Write the definition of Profit. 

Profit: Income-Cost=Profit

Profit is the money left AFTER considering the cost. 

500

What is Mrs. Carpenters favorite color?

Blue