Number sense

Flashcard
•
Mathematics
•
2nd - 3rd Grade
•
Hard
+9
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is number sense?
Back
Number sense is the ability to understand, interpret, and work with numbers. It includes skills such as estimating, rounding, and recognizing numerical relationships.
Tags
CCSS.5.NBT.A.4
2.
FLASHCARD QUESTION
Front
How do you round a number to the nearest hundred?
Back
To round a number to the nearest hundred, look at the digit in the tens place. If it is 5 or greater, round up; if it is 4 or less, round down.
Tags
CCSS.3.NBT.A.1
CCSS.4.NBT.A.3
3.
FLASHCARD QUESTION
Front
What is the value of a digit in a number?
Back
The value of a digit in a number depends on its position. For example, in the number 350,423, the digit 5 is in the ten-thousands place, so its value is 50,000.
Tags
CCSS.4.NBT.A.1
4.
FLASHCARD QUESTION
Front
What is the place value of the digit 3 in the number 350,423?
Back
The place value of the digit 3 in the number 350,423 is 300,000, as it is in the hundred-thousands place.
Tags
CCSS.4.NBT.A.1
5.
FLASHCARD QUESTION
Front
What is the expanded form of a number?
Back
The expanded form of a number expresses it as the sum of the values of its digits. For example, the expanded form of 125 is 100 + 20 + 5.
Tags
CCSS.2.NBT.A.3
6.
FLASHCARD QUESTION
Front
How do you identify the value of a digit in a multi-digit number?
Back
To identify the value of a digit in a multi-digit number, determine its position (place value) and multiply the digit by the value of that position.
Tags
CCSS.4.NBT.A.1
7.
FLASHCARD QUESTION
Front
What is the difference between a digit and a number?
Back
A digit is a single symbol used to represent numbers (0-9), while a number is a combination of digits that represents a quantity.
Tags
CCSS.1.NBT.B.2B
CCSS.1.NBT.B.2C
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