Mental math addition and subtraction
Flashcard
•
Mathematics
•
2nd - 5th Grade
•
Practice Problem
•
Hard
+8
Standards-aligned
Wayground Content
Used 1+ times
FREE Resource
Student preview
16 questions
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1.
FLASHCARD QUESTION
Front
What is mental math?
Back
Mental math is the ability to perform calculations in your head without using a calculator or paper.
Tags
CCSS.2.NBT.B.5
2.
FLASHCARD QUESTION
Front
What does addition mean?
Back
Addition is the process of finding the total or sum by combining two or more numbers.
3.
FLASHCARD QUESTION
Front
What does subtraction mean?
Back
Subtraction is the process of taking one number away from another.
4.
FLASHCARD QUESTION
Front
What is the sum of 25 and 30?
Back
55
Tags
CCSS.1.NBT.C.4
CCSS.2.NBT.B.5
5.
FLASHCARD QUESTION
Front
What is the sum of 62 and 18?
Back
80
Tags
CCSS.1.NBT.C.4
CCSS.2.NBT.B.5
6.
FLASHCARD QUESTION
Front
What is the sum of 37 and 23?
Back
60
Tags
CCSS.1.NBT.C.4
CCSS.2.NBT.B.5
7.
FLASHCARD QUESTION
Front
What is the sum of 32 and 25?
Back
57
Tags
CCSS.1.NBT.C.4
CCSS.2.NBT.B.5
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