What is expanded notation?
3rd Grade STAAR Math Review

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Mathematics
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3rd Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Expanded notation is a way to write numbers that shows the value of each digit. For example, the number 51,073 can be written as (5 x 10,000) + (1 x 1,000) + (7 x 10) + (3 x 1).
2.
FLASHCARD QUESTION
Front
How do you find the number of items in each group?
Back
To find the number of items in each group, you can use multiplication. For example, if there are 36 motorcycles in 6 rows, you can use the equation 6 x ? = 36.
3.
FLASHCARD QUESTION
Front
What is standard form?
Back
Standard form is the way of writing numbers using digits. For example, the number 80,490 is in standard form.
4.
FLASHCARD QUESTION
Front
How do you estimate a number?
Back
To estimate a number, round it to the nearest ten, hundred, or thousand. For example, 641 can be estimated to 600.
5.
FLASHCARD QUESTION
Front
What is the equation for multiplication?
Back
An equation for multiplication shows how many groups of a number there are. For example, 6 x 6 = 36 means there are 6 groups of 6.
6.
FLASHCARD QUESTION
Front
What does 'sum' mean in math?
Back
The 'sum' is the result of adding two or more numbers together.
7.
FLASHCARD QUESTION
Front
What is a ten thousand?
Back
A ten thousand is the number 10,000. It is a place value in the number system.
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