What is line symmetry?
Noetic Math Practice test #3

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•
Mathematics
•
3rd - 4th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
Line symmetry, also known as reflection symmetry, occurs when a figure can be divided into two identical halves that are mirror images of each other along a line.
2.
FLASHCARD QUESTION
Front
How many lines of symmetry does the letter 'I' have?
Back
The letter 'I' has 2 lines of symmetry: one vertical and one horizontal.
3.
FLASHCARD QUESTION
Front
What is the formula for calculating the area of a rectangle?
Back
The area of a rectangle is calculated using the formula: Area = length × width.
4.
FLASHCARD QUESTION
Front
If each small square has an area of 36 square units, how do you find the total area of a shaded region made up of these squares?
Back
To find the total area of the shaded region, count the number of small squares that are shaded and multiply by the area of each square (36 square units).
5.
FLASHCARD QUESTION
Front
How do you determine the number of cups of blueberries needed for a recipe that calls for 1 cup per dozen muffins?
Back
To determine the number of cups needed, divide the total number of muffins by 12 (the number of muffins per dozen) and multiply by 1 cup.
6.
FLASHCARD QUESTION
Front
What is the sum of an arithmetic sequence?
Back
The sum of an arithmetic sequence can be calculated using the formula: Sum = (number of terms / 2) × (first term + last term).
7.
FLASHCARD QUESTION
Front
How do you find missing numbers in a number pattern?
Back
To find missing numbers in a number pattern, identify the rule or pattern (e.g., addition, subtraction) and apply it to fill in the blanks.
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