Place Value and Money

In this unit your child will be learning:

Example: The digit 2 in the the number 8,273 is in the hundreds place and has the value of 200.

the comma between the thousands place and the hundreds place, is read as the word “thousand” and we do not say “and” after the hundreds place.

Example: 8,273 is read “eight thousand, two hundred seventy-three.”

Expanded form: 8,000 + 200 + 70 + 3

Expanded notation: (8 X 1,000) + (2 X 100) + (7 X 10) + (3 X 1)

Example: 253 can be decomposed as:

200 + 53 100 +153 200 + 25 + 25 + 3

(The ability to be flexible with numbers will help your child develop number sense and mental math strategies.)

10, 100, 1,000, or 10,000.

Example: Locate the number 4,621 on the number line.

Value of a Collection of Coins. Coins are sorted and ordered by value. Skip counting is also introduced as a way to count money.
Rounding to the Nearest Ten. This Mathcoach Interactive video provides steps for rounding to the nearest ten using a number line.

Place Value: The Blast Off Kid by Laura Driscoll. A boy will recognize that grouping 10,000 wrappers will make counting easier.
Rounding: Farmer's Market Rounding by Julie Dalton. The author shows that rounding prices of vegetables helps to find an estimated total cost.
Addition and Subtraction of Money: Pigs Will Be Pigs: Fun with Math and Money by Amy Axelrod. The Pig family searches the house for money so they can go out to eat. Find the total amount of money found and what can be ordered off of the menu.
Number Sense: How Much, How Many, How Far, How Heavy, How Long, How Tall is 1000? by Helen Nolan. This book explores different ways of looking at 1000 in a way that will help students develop number sense.

Your child can practice 9 interactive games about US coins.

Your child will practice several place value skills.

Learn to Count Money. In this ABCya.com game, players will count money for a given amount. There are several ability levels to choose from.
Rounding Numbers. This game from ABCYa.com allows for practice in rounding when given a specific place value.
Base Ten Bingo. This game from ABCYa.com has your child match a set of base ten blocks with a correct 4 digit number.

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