3rd Grade Math Flashcards

(49 cards)

1
Q

What is the sum of 15 and 27?

A

42

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2
Q

True or False: A triangle can have two right angles.

A

False

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3
Q

Fill in the blank: The product of 8 and 7 is ____.

A

56

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4
Q

What is the value of x in the equation 3x + 5 = 20?

A

5

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5
Q

What is the next number in the sequence: 2, 4, 6, 8, ____?

A

10

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6
Q

Which is greater: 1/2 or 1/3?

A

1/2

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7
Q

What is 45 divided by 9?

A

5

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8
Q

True or False: A square is a type of rectangle.

A

True

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9
Q

What is the area of a rectangle with a length of 10 and a width of 5?

A

50

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10
Q

If a pizza is cut into 8 equal slices and you eat 3 slices, what fraction of the pizza is left?

A

5/8

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11
Q

What is the least common multiple (LCM) of 4 and 6?

A

12

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12
Q

Fill in the blank: The perimeter of a square with side length 4 is ____.

A

16

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13
Q

What is 100 minus 37?

A

63

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14
Q

True or False: An obtuse angle is greater than 90 degrees.

A

True

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15
Q

What is the value of 12 cubed?

A

1728

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16
Q

Which is a prime number: 21, 23, or 25?

A

23

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17
Q

What is the value of 7 + 6 × 2?

A

19

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18
Q

Fill in the blank: The smallest two-digit number is ____.

A

10

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19
Q

What is the result of 9 × 8?

A

72

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20
Q

True or False: A hexagon has six sides.

21
Q

What is the decimal equivalent of 1/4?

22
Q

What is the difference between 75 and 29?

23
Q

Fill in the blank: The sum of angles in a triangle is ____ degrees.

24
Q

What is the next prime number after 11?

25
What is 3.5 + 2.1?
5.6
26
True or False: 0 is a positive number.
False
27
What is the value of 5 squared?
25
28
If a triangle has sides of lengths 3, 4, and 5, what type of triangle is it?
Right triangle
29
What is the greatest common factor (GCF) of 8 and 12?
4
30
Fill in the blank: The next number in the sequence 5, 10, 15, 20, ____ is ____.
25
31
What is the value of 50% of 200?
100
32
What is the perimeter of a rectangle with length 7 and width 3?
20
33
True or False: 9 is a perfect square.
True
34
What is the value of 2 × (3 + 4)?
14
35
What is 14 divided by 7?
2
36
Fill in the blank: The sum of 8 and 12 is ____.
20
37
What is the median of the set {3, 7, 9}?
7
38
What is the value of 10 - 2 × 3?
4
39
What is the area of a triangle with a base of 10 and a height of 5?
25
40
True or False: A parallelogram has opposite sides that are equal.
True
41
What is 24 ÷ 3?
8
42
Fill in the blank: The next number in the Fibonacci sequence after 0 and 1 is ____.
1
43
What is the volume of a cube with a side length of 3?
27
44
What is 18 + 24?
42
45
True or False: A circle has corners.
False
46
If you have 3 apples and you buy 2 more, how many apples do you have?
5
47
What is 1/2 + 1/4?
3/4
48
What is the least common multiple (LCM) of 5 and 10?
10
49
Fill in the blank: The largest single-digit number is ____.
9