Find

Hint

Write the number that represents the point L.

Hint

One rounded value of 37,482 is 37,500. To what place value was 37,482 rounded?

ten thousands place

tens place

thousands place

hundreds place

Hint

Find the result mentally.

57 + 68

125

115

1,115

Hint

Find 27 × 813.

27,813

840

16,221

21,951

Hint

Tell which equation is an estimate for 56.2 × 6.

56 + 6 = 62

56 × 6 = 336

50 × 6 = 300

50 × 10 = 500

Hint

Find the output values for the function rule 2x.

Input Output
7
?
10 ?
15 ?

9, 12, 17

5, 8, 13

14, 20, 30

27, 210, 215

Hint

Irini has 12 commemorative coins. She received 3 of them last week on her birthday. Write and solve an equation to find how many coins she had before her birthday.

3c = 12; 4

c + 12 = 36; 24

c + 3 = 12; 9

12 + c = 3; 15

Hint

Find the mode of the costs $15, $16, $12, $21, and $12.

$15.20

$15

$12

Hint

10.

Use the line plot to find the mode.

11.5

Hint

11.

The set of data shows the number of times 20 students took public transportation last month.

1, 4, 5, 6, 6, 7, 7, 11, 11, 14, 15, 16, 16, 17, 17, 18, 19, 20, 22, 22

Make a frequency table using the intervals 0–6, 7–13, 14–20, 21–27. Which interval has the greatest number of data values?

7–13

14–20

21–27

0–6

Hint

12.

Find 12 ÷ 5.

2 R1

2 R3

2 R2

Hint

13.

Five loaves of bread are divided equally among 9 students. How any loaves does each receive? Represent the situation with a fraction and a model. Then solve.