Lesson 5 Estimate on a Number Line
Let’s estimate numbers on a number line.
Warm-up Estimation Exploration: What Number?
What number could this be?
Record an estimate that is:
too low
about right
too high
Record an estimate that is:
too low
about right
too high
Activity 1 Estimate the Numbers
What number could this be?
What number could this be?
What number could this be?
What number could this be?
Which estimate are you most confident in? Why?
Which estimate are you least confident in? Why?
Activity 2 Order the Numbers
Pick a card and place it on the number line.
Explain your thinking.
As a group, revise the position of any cards.
Repeat until all cards are placed.
Draw and label points to represent each number on the number line.
Practice Problem
Problem 1
What number could this be? Explain your reasoning.