Unit 4, Lesson 18-- Addition with Number Lines
Lesson 18-- Addition with Number Lines
Introduction
Hello Mathematicians! Yesterday we worked on using models to solve addition problems. Today we will work on another strategy to solve addition problems: number lines.
Video
Interactive
Directions:
- Open the interactive drawing assignment, and make a copy.
- In your notebook, use the number line strategy to solve each problem.
- Fill in the missing digits to complete the equation.
Addition Interactive Drawing Assignment Links to an external site.
In Your Math Notebook:
Let’s get out our math journals and work through the following application problem. Make sure yo; read the problem carefully, draw a picture to match your thinking and write and solve an equation. Make sure to find an exact answer when there is not a clue that tells you to estimate.
|
R (Read the problem carefully.) Marcus picked 398 berries and put them in a bucket. Daniel picked 274 berries and added them to the bucket. How many berries are in the bucket? D (Draw a picture.) W (Write and solve an equation.) |
|---|
[CC BY 4.0] UNLESS OTHERWISE NOTED | IMAGES: LICENSED AND USED ACCORDING TO TERMS OF SUBSCRIPTION