# Review of Go Math 1.1 and 1.2 Copyright © 2013 Kelly Mott.

## Presentation on theme: "Review of Go Math 1.1 and 1.2 Copyright © 2013 Kelly Mott."— Presentation transcript:

Review of Go Math 1.1 and 1.2 Copyright © 2013 Kelly Mott

Now let’s practice finding the place of a digit.

Identify Place Value to the 100 Thousands
Directions: A question will come up on the screen. Everyone will write their answer down on a dry erase board. The teachers will walk around and check your work. Then the correct answer will be displayed on the SMARTboard. Copyright © 2013 Kelly Mott

Question #1 What number is in the tens place? 443,691 Answer = 9
Hundred Thousands Ten Thousands Thousands Hundreds Tens Ones Copyright © 2013 Kelly Mott

Question #2 What number is in the thousands place? Answer = 7 217,358
Hundred Thousands Ten Thousands Thousands Hundreds Tens Ones Copyright © 2013 Kelly Mott

Question #3 What number is in the ones place? 691,345 Answer = 5
Hundred Thousands Ten Thousands Thousands Hundreds Tens Ones Copyright © 2013 Kelly Mott

Question #4 What number is in the hundreds place? Answer = 8 661,822
Hundred Thousands Ten Thousands Thousands Hundreds Tens Ones Copyright © 2013 Kelly Mott

Question #5 What number is in the hundred thousands place? 637,288

Question #6 What number is in the ten thousands place? 340,022

Now let’s look at finding the value of a digit.

Steps to Find the Value of a Number
Circle the number Write the digit down Underline all of the digits to the right of the number Then count the # of places after the digit Add that same # of zeros Example: 5, 6 7 8 What is the value of the 7? _____________________ Copyright © 2013 Kelly Mott

Identify the Value of a Number
Directions: A question will come up on the screen. Everyone will write their answer down on a dry erase board. The teachers will walk around and check your work. Then the correct answer will be displayed on the SMARTboard. Copyright © 2013 Kelly Mott

Question #1 What is the value of the 6 in the number below? 56,702

Question #2 What is the value of the 8 in the number below? 29,582

Question #3 What is the value of the 4 in the number below? 943, 781

Question #4 What is the value of the 9 in the number below? 912, 683

Question #5 What is the value of the 3 in the number below? 123, 456

FOCUS QUESTION: What are the 3 ways we can write a number?

We can write numbers 3 different ways:
Thousands Hundreds Tens Ones 3 2 1 9 Standard Form: written in numbers 3,219 Word Form: written in words Three thousand, two hundred nineteen Expanded Form: write the value of each digit 3, Copyright © 2013 Kelly Mott

Writing Numbers in Standard Form
Directions: A question will come up on the screen. Everyone will write their answer down on a dry erase board. The teachers will walk around and check your work. Then the correct answer will be displayed on the SMARTboard. Copyright © 2013 Kelly Mott

Question #1 Three thousand, sixty-two Answer = 3,062

Question #2 Twelve thousand, three hundred seventy-five

Question #3 Eighteen thousand, five hundred Answer = 18,500

Question #4 Two hundred fifty two thousand, six hundred ninety-nine

Question #5 Four hundred thousand, one hundred thirty-two

Question #6 Seven hundred twenty thousand, four hundred thirty five

Steps to Write the Expanded Form
Start left to right Write the value of the first digit, add a plus sign, then write the value of the next digit, add a plus sign Keep following this method until you’ve written the value of each number Example: 5, 6 7 8 _____________________________________________ Copyright © 2013 Kelly Mott

Practice Expanded Form 1:

Expanded Form to Standard Form

Practice Expanded to Standard 1:
500, , , ___ ___ ___ , ___ ___ ___ , , , , , Copyright © 2013 Kelly Mott

PRACTICE: Let’s practice standard form.

Expanded and Standard Form
Directions: A question will come up on the screen. Everyone will write their answer down on a dry erase board. The teachers will walk around and check your work. Then the correct answer will be displayed on the SMARTboard. Copyright © 2013 Kelly Mott

5,972 Question #1 What is the expanded form of the number below?

37,298 Question #2 What is the expanded form of the number below?

52,790 Question #3 What is the expanded form of the number below?

129,406 Question #4 What is the expanded form of the number below?

108,065 Question #5 What is the expanded form of the number below?

Question #6 What is the standard form of the number below?

Question #7 What is the standard form of the number below?

Question #8 What is the standard form of the number below?

Question #8 What is the standard form of the number below?

Question #9 What is the standard form of the number below?
500, , = __ __ __ __ __ __ Answer = 530,066 Copyright © 2013 Kelly Mott

Question #10 What is the standard form of the number below?
400, , = __ __ __ __ __ __ Answer = 480,700 Copyright © 2013 Kelly Mott