Grade 4 - Progress in Mathematics

Problem-Solving Applications:Mixed Review

5-18

Fourth-Grade Students

People

Animals

Space

Creatures

Key Each 6 students.

Each 3 students.

Solve each problem and explain the method you used.

1. Nora buys a 32-minute cartoon DVD.
   Each cartoon is 4 minutes long.
   a. How many cartoons are on the DVD?
   b. The DVD costs $ 6. How much does
   Nora spend for each cartoon?


2. Alex watches a 1-hour cartoon special.
   How many 5-minute cartoons can be
   shown if there are no commercials? What
   if there are 15 minutes of commercials?


3. A cartoon channel shows 192 cartoons each
   d ay. If it shows 8 cartoons each hour, how
   many hours a day does the channel
   broadcast?


4. There are 64 characters in a film. Half of
   them are animals. Of the remaining characters,
   8 are puppets. The remaining characters are
   an even number of boys and girls. How many
   girls are there?


5. A movie is 84 minutes long. A hopping frog
   appears every third minute. How many times
   does the frog appear?

Use the pictograph for problem 7.

6. Fourth-grade students used
   cartoons to illustrate their
   stories. How many more
   students used space creatures
   than animals?

8204-6_198-199 10/4/07 7:28 AM Page 198