Mental Math Strategies Assessment
Flashcard
•
Mathematics
•
3rd Grade
•
Practice Problem
•
Hard
+5
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is subtraction?
Back
Subtraction is the process of taking one number away from another. For example, in 12 - 10, we take 10 away from 12, which equals 2.
2.
FLASHCARD QUESTION
Front
What does it mean to add more?
Back
To add more means to increase a number by another number. For example, if you have 12 donkeys and Zack buys 10 more, he has 12 + 10 = 22 donkeys.
Tags
CCSS.2.OA.A.1
3.
FLASHCARD QUESTION
Front
What is the result of 100 more than a number?
Back
To find 100 more than a number, you simply add 100 to that number. For example, 100 more than 420 is 420 + 100 = 520.
Tags
CCSS.2.NBT.B.8
4.
FLASHCARD QUESTION
Front
How do you find the total number of items?
Back
To find the total number of items, you add the number of items you have to the number of items someone else has. For example, if Joseph has 5 cars and Mr. Arthur has 20 cars, the total is 5 + 20 = 25 cars.
Tags
CCSS.2.OA.C.4
5.
FLASHCARD QUESTION
Front
What is the meaning of 'less than' in math?
Back
'Less than' means to subtract a number from another number. For example, 10 less than 145 means 145 - 10 = 135.
Tags
CCSS.1.OA.A.1
6.
FLASHCARD QUESTION
Front
What is the difference in subtraction?
Back
The difference is the result of subtracting one number from another. For example, the difference between 12 and 10 is 12 - 10 = 2.
Tags
CCSS.1.OA.A.1
7.
FLASHCARD QUESTION
Front
What is the sum in addition?
Back
The sum is the result of adding two or more numbers together. For example, the sum of 12 and 10 is 12 + 10 = 22.
Tags
CCSS.1.OA.A.1
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