pre-algebra lesson 1.1
TRANSCRIPT
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Pre-Algebra Lesson 1.1
Find the value of each expression.
1. 18 + 6
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8/13/2019 Pre-Algebra Lesson 1.1
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Pre-Algebra Lesson 1.1
Find the value of each expression.
1. 18 + 6
24
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Pre-Algebra Lesson 1.1
Find the value of each expression.
1. 18 + 6
2. 85 + 12
![Page 4: Pre-Algebra Lesson 1.1](https://reader030.vdocuments.pub/reader030/viewer/2022021405/577cd3591a28ab9e78970b0e/html5/thumbnails/4.jpg)
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Pre-Algebra Lesson 1.1
Find the value of each expression.
1. 18 + 6
2. 85 + 12
97
![Page 5: Pre-Algebra Lesson 1.1](https://reader030.vdocuments.pub/reader030/viewer/2022021405/577cd3591a28ab9e78970b0e/html5/thumbnails/5.jpg)
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Pre-Algebra Lesson 1.1
Find the value of each expression.
1. 18 + 6
2. 85 + 12
3. 114 – 29
![Page 6: Pre-Algebra Lesson 1.1](https://reader030.vdocuments.pub/reader030/viewer/2022021405/577cd3591a28ab9e78970b0e/html5/thumbnails/6.jpg)
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Pre-Algebra Lesson 1.1
Find the value of each expression.
1. 18 + 6
2. 85 + 12
3. 114 – 29
85
![Page 7: Pre-Algebra Lesson 1.1](https://reader030.vdocuments.pub/reader030/viewer/2022021405/577cd3591a28ab9e78970b0e/html5/thumbnails/7.jpg)
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Pre-Algebra Lesson 1.1
Find the value of each expression.
1. 18 + 6
2. 85 + 12
3. 114 – 29
4. 8 x 47
![Page 8: Pre-Algebra Lesson 1.1](https://reader030.vdocuments.pub/reader030/viewer/2022021405/577cd3591a28ab9e78970b0e/html5/thumbnails/8.jpg)
8/13/2019 Pre-Algebra Lesson 1.1
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Pre-Algebra Lesson 1.1
Find the value of each expression.
1. 18 + 6
2. 85 + 12
3. 114 – 29
4. 8 x 47
376
![Page 9: Pre-Algebra Lesson 1.1](https://reader030.vdocuments.pub/reader030/viewer/2022021405/577cd3591a28ab9e78970b0e/html5/thumbnails/9.jpg)
8/13/2019 Pre-Algebra Lesson 1.1
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Pre-Algebra Lesson 1.1
Find the value of each expression.
1. 18 + 6
2. 85 + 12
3. 114 – 29
4. 8 x 47
5. 72 4
![Page 10: Pre-Algebra Lesson 1.1](https://reader030.vdocuments.pub/reader030/viewer/2022021405/577cd3591a28ab9e78970b0e/html5/thumbnails/10.jpg)
8/13/2019 Pre-Algebra Lesson 1.1
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Pre-Algebra Lesson 1.1
Find the value of each expression.
1. 18 + 6
2. 85 + 12
3. 114 – 29
4. 8 x 47
5. 72 4
18
![Page 11: Pre-Algebra Lesson 1.1](https://reader030.vdocuments.pub/reader030/viewer/2022021405/577cd3591a28ab9e78970b0e/html5/thumbnails/11.jpg)
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Pre-Algebra Lesson 1.1
Find the value of each expression.
6. The sales figures for a business for the firstquarter months were as follows.
January $12,000
February $15,000
March $10,000
What were total sales for the first quarter?
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Pre-Algebra Lesson 1.1
Find the value of each expression.
6. The sales figures for a business for the firstquarter months were as follows.
January $12,000
February $15,000
March $10,000
What were total sales for the first quarter?
$37,000
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Problem-Solving strategy:
Make a PlanThe Four-Step Problem Solving Plan
1. Explore
Read the problem carefully.
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Problem-Solving strategy:
Make a PlanThe Four-Step Problem Solving Plan
1. Explore
•Read the problem carefully.•Ask yourself questions like “What
facts do I know” and “What do
I need to find out?”
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Problem-Solving strategy:
Make a PlanThe Four-Step Problem Solving Plan
2. Plan
•See how the facts relate to each other.
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Problem-Solving strategy:
Make a PlanThe Four-Step Problem Solving Plan
2. Plan
•See how the facts relate to each other.•Make a plan for solving the problem.
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Problem-Solving strategy:
Make a PlanThe Four-Step Problem Solving Plan
2. Plan
•See how the facts relate to each other.•Make a plan for solving the problem.
•Estimate the answer.
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Problem-Solving strategy:
Make a PlanThe Four-Step Problem Solving Plan
3. Solve
•Use your plan to solve the problem.
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Problem-Solving strategy:
Make a PlanThe Four-Step Problem Solving Plan
3. Solve
•Use your plan to solve the problem.•If your plan does not work, revise it
or make a new plan.
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Problem-Solving strategy:
Make a PlanThe Four-Step Problem Solving Plan
4. Examine
•Reread the problem.
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Problem-Solving strategy:
Make a PlanThe Four-Step Problem Solving Plan
4. Examine
•Reread the problem.•Ask, “Is my answer close to my
estimate?”
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Problem-Solving strategy:
Make a PlanThe Four-Step Problem Solving Plan
4. Examine
•Reread the problem.•Ask, “Is my answer close to my
estimate?”
•Ask, “Does my answer make sense
for the problem?”
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Problem-Solving strategy:
Make a PlanThe Four-Step Problem Solving Plan
4. Examine
•If not, solve the problem another way.
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Application
How long would it take to count to
one million if it takes one second to
say each number.