Numbers
Flashcard
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is multiplication?
Back
Multiplication is a mathematical operation that represents the repeated addition of a number. For example, 3 x 4 means adding 3 four times (3 + 3 + 3 + 3 = 12).
2.
FLASHCARD QUESTION
Front
What is the order of operations in mathematics?
Back
The order of operations is a set of rules that determines the sequence in which calculations are performed. The acronym PEMDAS helps remember the order: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).
3.
FLASHCARD QUESTION
Front
How do you calculate the total number of items when some are added and some are removed?
Back
To find the total, subtract the number of items removed from the initial amount and then add the number of items added. For example, if you start with 342 items, remove 87, and then add 150, the equation is 342 - 87 + 150.
4.
FLASHCARD QUESTION
Front
What does it mean to order numbers from least to greatest?
Back
Ordering numbers from least to greatest means arranging them in ascending order, starting with the smallest number and ending with the largest.
5.
FLASHCARD QUESTION
Front
What is the value of an expression?
Back
The value of an expression is the result you get after performing all the operations in the expression. For example, in the expression 30 - (5 × 2^3 - 15), the value is 5.
6.
FLASHCARD QUESTION
Front
What is a mathematical equation?
Back
A mathematical equation is a statement that asserts the equality of two expressions, often containing variables and constants. For example, 2 + 3 = 5 is an equation.
7.
FLASHCARD QUESTION
Front
What is the significance of parentheses in mathematical expressions?
Back
Parentheses indicate which operations should be performed first in a mathematical expression, helping to clarify the order of operations.
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