3 + 5 + 6; three and fifty-six hundredths
3 + 0.56; three and fifty-six hundredths
3 + 0.5 + 0.06; three and fifty-six hundredths
3 + 0.5 + 0.06; three and fifty-six thousandths

2.) Which number is the greatest?

0.008732
0.98
5.252
11.3

3.) Order the decimals from greatest to least: 54.78, 54.7, 54.9

54.78, 54.9, 54.7
54.78, 54.7, 54.9
54.7, 54.78, 54.9
54.9, 54.78, 54.7

4.) Estimate by rounding to the nearest tenth: 15.42 + 4.739

20
20.1
20.16
20.2

5.) What compatible numbers can be used to estimate 4.77 x 21.45?

4 x 21
4.8 x 21.5
5 x 20
5 x 25

6.) Estimate a range for the sum: 5.93 + 30.43 + 9.82

44 to 46
44 to 47
45 to 47
46 to 47

7.) Add 8.6 + 5.4

3.2
13
14
140

8.) Evaluate 4.88 - n for n = 2.6

2.28
5.14
7.48
514

9.) Multiply 6,209 x 100

62.09
62,090
620,900
6,209,000

10.) Write 33.58 x 10⁴ in standard form.

0.003358
335,800
3,358,000
33,580,000

11.) Write 445.924 in scientific notation.

445,924 x 10^-3
4.45924 x 1²
4.45924 x 10²
445.924 x 10²

12.) Find the product of 5 x 3.9

1.95
15.6
19.5
195

13.) Find the product of 5.2 x 0.3

1.56
5.5
15.6
156

14.) Evaluate 2d for d = 7.32

1.464
9.32
14.64
1464

15.) Find the quotient: 8.4 ÷ 4

0.21
2.1
4.4
21

16.) Evaluate 5.75 ÷ k for k = 5

0.75
1.15
11.5
115

17.) Five friends ate lunch in a local cafe and spent a total of $31.75. If they split the bill evenly, how much did each person pay?

$6.20
$6.35
$63.50
$635.00

18.) Beth earned $123.25 last week by working a 14.5 hours. What was her hourly rate?

$8.48
$8.50
$8.79
$8.80

19.) Find the quotient: 76.8 ÷ 2.4

3.2
30
32
320

20.) Estimate the quotient 478.71 ÷ 24.3

1.97
2
19.7
20

21.) Maria wants to buy some CDs that are $13.99 each. She has $82.54. How many CDs can she buy?

5
5.9
6
68.55

22.) James wants to have enough pizza for each person to have two pieces. Ten people come to the party. If there are eight pieces per pizza, how many pizzas should he order?

1 pizza
2 pizzas
2.5 pizzas
3 pizzas

23.) Mr. Chan is buying lab notebooks for the class. The notebooks come in packages of 5 and there are 22 students in the class. How many packages of notebooks does he need to buy?

0.23
4
4.4
5

24.) Solve the equation: p - 6.4 = 9.3

2.9
15.7
29
157

25.) Solve the equation: 7r = 43.4

6.2
62
36.4
303.8

26.) Solve the equation: t + 3.9 = 11.2

2.87
7.3
15.1
73