Warm Up:
Warm Up 10 one’s make? 10 ten’s make? When we stretch out a number (213= 200 + 10 + 3) it is called? With your partner, use straws and bundles to build the number 346 on your place value chart.
Slide 3:
Hundreds Tens Ones 2 5 8 Build the number 258 using bundles and straws and arrow cards. 258 (Standard Form) Two hundred fifty-eight (Word Form) 200 + 50 + 8 (Expanded Form)
Building Numbers:
Building Numbers Look at the number of hundreds, tens and ones Build the number using bundles and straws Build the number using place value arrow cards
Problem of the Lesson:
Problem of the Lesson Bob and Sally are each thinking of a number. Bob’s number has 3 hundreds, 8 tens, and 3 ones. Sally’s number has 1 hundred, 7 tens, and 2 ones. What are their numbers in standard form, word form?
Answer :
Answer Bob’s number is: 383 Three hundred eighty-three Sally’s number is: 172 One hundred seventy-two
Game:
Game Player 1: Build the first number using bundles and straws Player 2: Model the number player 1 built with place value arrow cards Player 1: Check player 2’s number Now player 2 builds the first number