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Third Grade > Math > Flashcards

Math Flashcards

1
Q

What is 7 + 5?

A

12

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2
Q

What is 15 - 9?

A

6

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3
Q

What is 4 x 6?

A

24

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4
Q

What is 36 ÷ 6?

A

6

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5
Q

True or False: The sum of an even number and an odd number is always odd.

A

True

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6
Q

What is the value of the expression 3 + 4 x 2?

A

11

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7
Q

Fill in the blank: The perimeter of a rectangle is calculated by ______.

A

adding the lengths of all sides

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8
Q

What is the area of a square with a side length of 5?

A

25

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9
Q

If a triangle has a base of 10 and a height of 5, what is its area?

A

25

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10
Q

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

A

10

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11
Q

What is 50% of 80?

A

40

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12
Q

What is the mode of the following set of numbers: 2, 3, 4, 4, 5?

A

4

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13
Q

What is the median of the following numbers: 1, 3, 3, 6, 7, 8, 9?

A

6

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14
Q

True or False: A circle has a constant width.

A

True

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15
Q

What is a right angle?

A

An angle that measures 90 degrees.

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16
Q

What is the value of x in the equation 2x + 3 = 11?

A

4

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17
Q

What is 9 squared?

A

81

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18
Q

If a bus can hold 50 passengers, how many buses are needed for 200 passengers?

A

4

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19
Q

What is the next number in the pattern: 5, 10, 15, ____?

A

20

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20
Q

What is the total number of degrees in a triangle?

A

180 degrees

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21
Q

Fill in the blank: A hexagon has ______ sides.

A

six

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22
Q

What is the greatest common factor (GCF) of 8 and 12?

A

4

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23
Q

What is the least common multiple (LCM) of 3 and 4?

A

12

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24
Q

What is 25 + 37?

A

62

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25
Q

What is the result of 100 - 45?

A

55

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26
Q

True or False: All squares are rectangles.

A

True

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27
Q

What is the value of 12 ÷ 4?

A

3

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28
Q

What is the sum of the angles in a quadrilateral?

A

360 degrees

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29
Q

If a book costs $15 and you buy 3 books, how much do you spend?

A

$45

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30
Q

What is the next number in the sequence: 1, 1, 2, 3, 5, ____?

A

8

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31
Q

What is the perimeter of a rectangle with a length of 8 and a width of 3?

A

22

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32
Q

What is 7 x 8?

A

56

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33
Q

What is 18 ÷ 2?

A

9

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34
Q

Fill in the blank: The fraction 1/2 is equivalent to ______ percent.

A

50 percent

35
Q

True or False: The sum of the interior angles of a pentagon is 540 degrees.

A

True

36
Q

What is the formula for calculating the area of a rectangle?

A

length x width

37
Q

If a triangle has sides of length 3, 4, and 5, is it a right triangle?

A

Yes

38
Q

What is 5 + 5 x 2?

A

15

39
Q

What is the value of 10 - (3 + 2)?

A

5

40
Q

If you have 3 apples and you buy 2 more, how many apples do you have?

A

5

41
Q

What is 14 + 6?

A

20

42
Q

What is 81 ÷ 9?

A

9

43
Q

Fill in the blank: A triangle with all sides equal is called an ______ triangle.

A

equilateral

44
Q

What is the value of 8 - 3 x 2?

A

2

45
Q

What is the sum of 10, 20, and 30?

A

60

46
Q

What is 3/4 + 1/4?

A

1

47
Q

What is the product of 6 and 7?

A

42

48
Q

What is the value of 15 - (3 + 5)?

A

7

49
Q

What is 12 + 15?

A

27

50
Q

True or False: A cylinder has two circular bases.

A

True

51
Q

What is the area of a rectangle with a length of 10 and width of 4?

A

40

52
Q

What is the next number in the pattern: 10, 20, 30, ____?

A

40

53
Q

What is the sum of the angles in a triangle?

A

180 degrees

54
Q

What is 5 squared?

A

25

55
Q

If you have a dozen eggs, how many eggs do you have?

A

12

56
Q

What is the value of 10 ÷ 2?

A

5

57
Q

What is the next number in the sequence: 3, 6, 9, ____?

A

12

58
Q

True or False: A square has four equal sides.

A

True

59
Q

What is the area of a triangle with a base of 6 and a height of 4?

A

12

60
Q

What is the sum of 8, 12, and 4?

A

24

61
Q

What is 16 - 7?

A

9

62
Q

What is 3 x 5?

A

15

63
Q

Fill in the blank: The number that comes after 99 is ______.

A

100

64
Q

What is the value of 20% of 50?

A

10

65
Q

What is the greatest common multiple of 2 and 3?

A

6

66
Q

What is the next prime number after 5?

A

7

67
Q

What is 45 ÷ 5?

A

9

68
Q

What is the value of 10 + 2 x 3?

A

16

69
Q

What is half of 80?

A

40

70
Q

What is the value of 11 - 4?

A

7

71
Q

If a rectangle has a length of 10 and a width of 5, what is its area?

A

50

72
Q

What is 2 + 2 x 2?

A

6

73
Q

What is the sum of the numbers 1 through 5?

A

15

74
Q

What is 100 - 75?

A

25

75
Q

What is the value of 2 x (3 + 4)?

A

14

76
Q

What is the area of a circle with a radius of 3?

A

28.26 (approximately)

77
Q

What is the value of 5 + 3 x 1?

A

8

78
Q

What is the next number in the sequence: 1, 4, 7, ____?

A

10

79
Q

What is the value of 7 - 2?

A

5

80
Q

What is 13 + 9?

A

22

81
Q

What is 2/3 + 1/3?

A

1

82
Q

What is 100 ÷ 4?

A

25

83
Q

What is the next number in the pattern: 1, 2, 4, 8, ____?

A

16

Third Grade (2 decks)

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