Lesson 10 Place Value and the Number Line
Let’s compare methods using the number line.
Warm-up Notice and Wonder: Base-ten and the Number Line
What do you notice? What do you wonder?
Activity 1 Compare Representations
Clare subtracted and represented her work with a base-ten diagram.
Write an equation to represent Clare’s work.
Represent Clare’s method on the number line.
Find the value of
. Show your thinking using a base-ten diagram.
Represent how you found the value of
on the number line.
Activity 2 On the Number Line
Diego is finding the value of
Write an equation to show the sum for Diego’s work.
Find the value of
. Represent your thinking on the number line.
Find the value of
. Represent your thinking on the number line.
Find the value of
. Represent your thinking on the number line.
Practice Problem
Problem 1
Find the value of