Problem Solving
How do you use what you have learned to problem solve?
Goal:
Goal:
Can you solve this word problem? You will need a pencil and a piece of paper to get started.
Daniel made a cake and cut it into 8 pieces. He and his friends ate 5 pieces. What fraction of the cake is left?
Problem Solving Steps
- Read the problem.
- Look for important information.
- Write a math sentence.
- Decide how to solve.
- Solve and label your answer.
Read the problem.
Read the word problem again. Then write it on your piece of paper. Read the problem as many times as you need to in order to understand all of the important information.
Daniel made a cake and cut it into 8 pieces. He and his friends at 5 pieces. What fraction of the cake is left?
Find the important information.
How many pieces of cake are left? Let’s create our fraction by first finding the denominator. Circle it in your piece of paper. Click the Show Me button to check your answer.
Daniel made a cake and cut it into 8 pieces. He and his friends at 5 pieces. What fraction of the cake is left?
The 8 is circled.
The denominator is 8 because there is a total of 8 pieces in Daniel’s cake. Remember, the denominator is the number of parts in a whole.
Find the important information.
Can you write the denominator in a fraction?
Daniel’s cake is made up of 8 pieces. Write 8 under the fraction bar.
Daniel made a cake and cut it into 8 pieces. He and his friends at 5 pieces. What fraction of the cake is left?
The 8 is circled. \({ \frac{}{8} }\)
Decide how to solve.
Can you draw a picture of Daniel’s cake to represent the denominator? The cake can be drawn as a square, rectangle, or circle. Be sure to include all 8 equal pieces!
Daniel made a cake and cut it into 8 pieces. He and his friends at 5 pieces. What fraction of the cake is left?
The 8 is circled. \({ \frac{}{8} }\). Rectangle with 8/8 filled in.
Decide how to solve.
The word problem says that Daniel and his friends ate 5 pieces of cake. Cross off those pieces of cake on your paper.
Daniel made a cake and cut it into 8 pieces. He and his friends at 5 pieces. What fraction of the cake is left?
The 8 is circled. \({ \frac{}{8} }\). Rectangle with 8/8 filled in and 5/8 crossed out.
Solve and label your answer.
How many pieces of cake are left? That number is the numerator! Circle the pieces of cake that are left, and write the numerator above the fraction bar. Do not forget to label the fraction! Click the Show Me button to check your answer.
Daniel made a cake and cut it into 8 pieces. He and his friends at 5 pieces. What fraction of the cake is left?
The 8 is circled. \({ \frac{3}{8} }\) of Daniel's cake is left. Rectangle with 8/8 filled in and 5/8 crossed out and the remaining 3 are circled.
Which shaded shape and fraction are correct?
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\({ \frac{2}{3} }\)
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\({ \frac{5}{6} }\)
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\({ \frac{2}{8} }\)
The correct shaded shape and fraction have a denominator of 8 and a numerator of 2.
The correct shaded shape and fraction have a denominator of 8 and a numerator of 2.
The correct shaded shape and fraction have a denominator of 8 and a numerator of 2.
Summary
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