Lesson 2 Match Representations of Tens
Let’s match different representations of numbers.
Warm-up Estimation Exploration: Cubes and Towers
Round 1: How many cubes?
Record an estimate that is:
too low
about right
too high
Round 2: How many cubes?
Record an estimate that is:
too low
about right
too high
Activity 1 Representations of Tens
Today you will play a game in which you try to find cards that match.
Activity 2 It’s a Match!
Let’s read the task statement from the handout.
Practice Problem
Problem 1
How many connecting cubes are in each picture?