Khan Academy Unit 4 Test Addition and Subtraction within 20

Flashcard
•
Mathematics
•
3rd Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is addition?
Back
Addition is the process of finding the total or sum by combining two or more numbers.
2.
FLASHCARD QUESTION
Front
What is subtraction?
Back
Subtraction is the process of taking one number away from another.
3.
FLASHCARD QUESTION
Front
What is the sum of 8 and 6?
Back
14
4.
FLASHCARD QUESTION
Front
If a magician pulls out 19 animals and 6 are doves, how many are rabbits?
Back
13 rabbits.
5.
FLASHCARD QUESTION
Front
Which equation is true? 1+4=2+2, 3+3=7-1, or 1+1=5-4?
Back
3+3=7-1 is true.
6.
FLASHCARD QUESTION
Front
How do you find out how many good witches are there if 1 out of 7 is wicked?
Back
You subtract: 7 - 1 = 6 good witches.
7.
FLASHCARD QUESTION
Front
If I picked 2 carrots, 8 onions, and 2 radishes, how many vegetables did I pick?
Back
12 vegetables.
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