Free Printable Gr. 3 Section 21-24 Review

1.

Round to the nearest ten:
37

a)

10

b)

20

c)

30

d)

40

2.

Round to the nearest ten:
752

a)

700

b)

800

c)

750

d)

760

3.

Kayleigh has 14 cousins. Rounding to the nearest ten, about how many cousins does Kayleigh have?

a)

10

b)

20

c)

15

4.

There are 26 kids in George's class. Rounding to the nearest tens, about how many kids are there in George's class?

a)

30

b)

25

c)

20

d)

40

5.

Maddie has 37 cats. Rounding to the nearest ten, about how many cats does Maddie have?

a)

30

b)

40

c)

50

6.

Round 1,457 to the nearest hundred.

a)

1,500

b)

1,450

c)

1,550

d)

1,600

7.

Round to the nearest hundred.
629

a)

600

b)

700

8.

Round 6,978 to the hundreds place.

a)

7,000

b)

6,900

c)

6,000

d)

6,800

9.

Rounded to the nearest 10

a)

60

b)

70

c)

80

10.

Rounded to the nearest 10

a)

20

b)

30

c)

40

11.

Rounded to the nearest 10

a)

20

b)

30

c)

40

12.

You can _______ a number to find an estimate.

a)

multiply

b)

add

c)

round

d)

change

13.

What is 1,372 rounded to the nearest thousand?

a)

2,000

b)

1,500

c)

1,000

d)

1,400

14.

Mark earned $631 last summer mowing the grass for his neighbors. Round that amount to the nearest hundred.

a)

$600

b)

$700

c)

$630

d)

$640

15.

Round 72,957 to the nearest thousand.

a)

70,000

b)

72,000

c)

72,900

d)

73,000

16.

Myra's mom collects stamps. In her collection she has 7,273 stamps. Round this number to the nearest ten.

a)

7,000

b)

7,270

c)

7,300

d)

8,000

17.

Round 835,825 to the nearest hundred thousands.

a)

900,000

b)

836,000

c)

800,000

d)

835,830

18.

Alex and Tobby are cousins. They have a big collection of marbles. In their collection they have 6,293 marbles. Round this number to the nearest hundred.

a)

6,300

b)

6,000

c)

6,200

d)

6,290

19.

Round 183,762 to the nearest ten thousands.

a)

183,000

b)

100,000

c)

200,000

d)

180,000

20.

Round 876 to the nearest hundred.

a)

870

b)

880

c)

800

d)

900

21.

When we round means ...

a)

finding a number closer

b)

finding a bigger number

22.

When a number is 4 or less we round up ?

a)

True

b)

False

23.

When the number is 5 or more we round up ?

a)

True

b)

False

24.

8️⃣3️⃣4️⃣ rounded to the nearest 100

a)

900

b)

850

c)

800

25.

4️⃣8️⃣6️⃣ to the nearest 10

a)

490

b)

500

c)

480

26.

Vanessa received 133 candies for Halloween. About how many pieces of candy does she have?

>>> Round your answer to the nearest 10

a)

130

b)

140

27.

Mr. Arriola has $459. Estimate how much money he has.

>>> round your answer to the nearest 100

a)

600

b)

450

c)

400

d)

500

28.

Julie bought 449 flowers for her birthday party. About how many flowers does she have?

>>> round your answer to the nearest 10

a)

440

b)

500

c)

450

29.

Round 2,648 to the nearest hundreds place.

a)

3,000

b)

2,650

c)

2,640

d)

2,600

30.

Round 128,955 to the nearest thousands place.

a)

129,000

b)

100,000

c)

129,950

d)

128,900

31.

Round 2,421 to the nearest tens place.

a)

2,400

b)

2,420

c)

2,000

d)

2,430

32.

Solve.
6.46 + 2.7

a)

9.16

b)

6.73

33.

Solve.
25.13 + 9.08

a)

34.21

b)

33.11

34.

Solve
153.25 + .32

a)

185.25

b)

153.57

35.

Solve
9 - 6.3

a)

5.4

b)

2.7

36.

Solve
82.96 - 15.74

a)

67.22

b)

56.12

37.

Solve
45.03 - .67

a)

21.97

b)

44.36

38.

Maria went to the grocery store to buy milk. She paid $2.59 for the milk. If she paid using a $10 bill, how much change did she get back?

a)

7.41

b)

2.49

39.

0.6 + 0.2 =

a)

0.4

b)

0.8

c)

2.6

d)

6.2

40.

0.8 - 0.3 =

a)

1.1

b)

0.11

c)

0.5

d)

0.2

41.

0.39 + 0.42 =

a)

0.81

b)

0.18

c)

0.41

d)

0.14

42.

0.60 - 0.24 =

a)

0.84

b)

0.64

c)

0.44

d)

0.36

43.

0.06 + 0.54 =

a)

0.64

b)

0.6

c)

0.52

d)

0.5

44.

0.50 - 0.09 =

a)

0.59

b)

0.5

c)

0.41

d)

0.4

45.

0.52 + _________ = 0.95

a)

0.3

b)

0.43

c)

0.93

d)

1.3

46.

0.78 - __________ = 0.51

a)

0.47

b)

0.37

c)

0.27

d)

0.17

47.

Find the difference: 6.32 - 2.3.

a)

4.3

b)

4.0

c)

2.02

d)

4.02

48.

26 X 7 =

a)

186

b)

1442

c)

182

d)

100

49.

65 X 3 =

a)

185

b)

1815

c)

0

d)

195

50.

63 X 7 =

a)

481

b)

441

c)

401

d)

231

51.

18 X 2 =

a)

36

b)

136

c)

120

d)

156

52.

56 X 4 =

a)

220

b)

265

c)

224

d)

100

53.

90 X 9 =

a)

800

b)

820

c)

810

d)

900

54.

90 X 9 =

a)

800

b)

820

c)

810

d)

900

55.

17 X 7 =

a)

200

b)

129

c)

149

d)

119

56.

28 X 5 =

a)

144

b)

140

c)

150

d)

260

57.

25 X 4 =

a)

125

b)

75

c)

125

d)

100

58.

34x3

a)

102

b)

92

c)

112

d)

37

59.

52x6

a)

100

b)

310

c)

300

d)

312

60.

29x9

a)

38

b)

270

c)

360

d)

361

61.

12 x 3

a)

35

b)

36

c)

48

d)

24

62.

$5\ \times\ 38\ =$

a)

158

b)

190

c)

170

d)

180

63.

$7\ \times\ 40\ =$

a)

280

b)

028

c)

210

d)

I DON'T KNOW HOW TO DO THIS.

64.

$30\ \times6\ =$

a)

I don't how how to do this.

b)

018

c)

306

d)

180

65.

An ODD number will end in:

a)

0, 2, 4, 6, 8

b)

1, 3, 5, 7, 9

66.

Which digit determines if the number is even or odd?

a)

ones place

b)

tens place

c)

hundreds place

d)

thousands place

67.

942

a)

even

b)

odd

68.

Which number is EVEN?

a)

851

b)

972

c)

603

d)

455

69.

Which number is ODD?

a)

286

b)

544

c)

1,001

d)

980

70.

Kyra and her three brothers divided their socks in the laundry basket as shown above.

Which one of the siblings has an even number of socks in the basket?

a)

Ken

b)

Kody

c)

Kyle

d)

Kyra

71.

Even or odd?

a)

Even

b)

odd

72.

what number is 233?

a)

odd

b)

even

73.

I know the number 34 is even because I can divide it into two groups and I don't have any number left.

a)

true

b)

false

74.

What happens when you add two odd numbers like 3 + 3?

a)

Your answer will be an odd number too.

b)

your answer will be six and six is an odd number.

c)

the answer will be six and six is an even number.

75.

The following numbers are all even...

a)

2, 3, 4, 5

b)

2, 6, 8, 12

c)

4, 7, 9, 11

d)

1, 3, 5, 9

76.

a)

Odd

b)

Even

77.

a)

Odd

b)

Even

78.

a)

Odd

b)

Even

79.

Find the prime number.

a)

10

b)

9

c)

7

d)

4

80.

Is 12 prime or composite?

a)

prime

b)

composite

81.

is 5 prime or composite?

a)

prime

b)

composite

82.

Is 81 prime or composite?

a)

Prime

b)

Composite

83.

which number below is NOT prime?

a)

7

b)

9

c)

2

d)

3

84.

Which number is a composite number?

a)

17

b)

2

c)

19

d)

44

85.

Which list has only prime numbers?

a)

2, 3, 4, 5

b)

1, 5, 7, 9

c)

2, 3, 5, 7

d)

2, 4, 6, 8

86.

Which list is only composite numbers?

a)

1, 3, 4

b)

2, 4, 6

c)

4, 6, 8

d)

5, 6, 8

87.

True or False
0 is a COMPOSITE number.

a)

TRUE

b)

FALSE

88.

Which of the following is a prime number?

a)

3

b)

6

c)

9

d)

12

89.

Which of the following numbers is prime?

a)

10

b)

15

c)

5

d)

20

90.

True or False?

1 is a prime number.

a)

True

b)

False

91.

Are there any numbers that are neither prime nor composite?

a)

Yes

b)

No

Gr. 3 Section 21-24 Review

Total questions: 91

Worksheet time: 8hrs 35mins

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