Unit 3 Lesson 15
Flashcard
•
Mathematics
•
3rd Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is estimation?
Back
Estimation is a way of finding an approximate value or number, rather than an exact one. It helps us make quick calculations.
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 tens digit. If it is 5 or more, round up. If it is 4 or less, round down.
3.
FLASHCARD QUESTION
Front
What is a number line?
Back
A number line is a straight line with numbers placed at equal intervals. It helps us visualize numbers and their relationships.
4.
FLASHCARD QUESTION
Front
If Tina estimates the library is 0 miles away and Tanya estimates it is 10 miles away, what is the difference in their estimates?
Back
The difference in their estimates is 10 miles.
5.
FLASHCARD QUESTION
Front
What is multiplication?
Back
Multiplication is a mathematical operation where you add a number to itself a certain number of times. For example, 3 times 4 means adding 3 four times (3 + 3 + 3 + 3).
6.
FLASHCARD QUESTION
Front
How many sticks of gum does Juan have if he buys 6 packs with 10 sticks each?
Back
Juan has 60 sticks of gum (6 packs x 10 sticks = 60 sticks).
7.
FLASHCARD QUESTION
Front
What does it mean to estimate distance?
Back
Estimating distance means making a guess about how far away something is, without measuring it exactly.
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