Number
and Operations Standard
for Grades 35
Understand
numbers, ways of representing numbers, relationships
among numbers, and number systems
• understand the placevalue structure of the baseten number system and
be able to represent and compare whole numbers and decimals;
• recognize equivalent representations for the same number and generate
them by decomposing and composing numbers;
Step
1

Step
2
Practice
your Place Value skills by visiting these Websites with
loads of activities.

AAA
Math
Write
the number that corresponds to the words.


AAA
Math
Write
the number for the expanded form.


AAA
Math
Write
the number that corresponds to the words.


AAA
Math
Match
the number to the place values.


Quia
Match
each number to its expanded form.


Quia
Try
to uncover matching pairs of cards. Match each
number written in standard form with its correct
corresponding number written in expanded form.


Quia
Click
on the flashcard to flip it over. Match each
number written in standard form with its correct
corresponding number written in expanded form.


ELab
Use
a placevalue chart to find the value of each
digit in a number.


Funbrain
Funbrain
will show you a number. Click on the correct
place value to uncover the picture.


AAA
Math
Practice
your skills using one of the place
value activities.


Learning
Box Base Ten
Click
on Manny's drums. Choose 1, 10 or 100.
Then, make the number with the blocks.


ICT
Games
Click
on the shark. Click on the number that
matches the number of blocks.


National
Library of Virtual Manipulatives
Click
on the block. Use blocks to show numbers.
Or, sort and group blocks.


Scott
Forseman eTools
Click
on the blocks. Drag blocks onto the workspace,
then click on the show placevalue button
to see the number.


Arcytech
Base 10 Blocks
Click
on the blocks. Drag one, ten or hundred
blocks to the workspace. What number
did you make?


