Unit 5 - Temperature, Height, and Growth

The focus of this unit is on using tables and coordinate graphs to analyze patterns and solve real-world and mathematical problems. In this unit, students learn about situations in which two quantities, such as temperature or height, are changing over time. They also study changes associated with geometric shapes, for example, how the area of a square changes as the length of its sides increases. Students use tables, graphs, and equations to represent how one quantity changes in relation to another quantity. They analyze patterns they can see in the tables or in the shapes of the graphs to solve problems and compare situations.

Math Ideas and Words

1- Coordinate Graphs

2- Tables and Graphs

3- Ordered Pairs

4- Telling Stories From Line Graphs

5- Growing at a Constant Rate

6- Comparing Rates of Growth

7- Writing Rules to Describe Change

8- Growing at a Changing Rate

Non Investigations Games

Activities to Try at Home

Change Situations Together with your child, look for things that change in different ways and at different speeds. Can you find some things that change more and more quickly? Can you find things that change steadily? Can you find anything that changes by gradually slowing down, or by gradually shrinking? Here are some ideas to start with:

the growth of a plant over time
the speed of a bicyclist over the course of a race
the growth of your child (and siblings) over time

Consider making graphs of any of these situations.

What Is in the News? Look online or in newspapers and other print material for graphs and tables that show something changing over time. Work with your child to make sense of these:

What does a steep rise in a graph represent?
What does a less steep rise in the same graph represent?
How does a graph represent no change?

Marble Jar Start with 4 objects in a jar (marbles, pennies, paper clips, or some other small objects). Imagine adding 6 more each day. How many will there be in 10 days? 20 days? 50 days? 100 days? Can you come up with a rule for determining the number of marbles in the jar after any number of days? Repeat the Marble Jar activity with other numbers (start with 5 marbles, add 9; start with 100 marbles, subtract 6; and so on). Can you make a graph to show these changes?