Ch.1 Study Guide

1.

1 point

(6 + 18) / 4 x 2

11

13

12

14

2.

1 point

Round 2.3444 to the hundredths place

2.345

2.34

2

2.3

3.

1 point

34,565,434

Word form?

thirty-four million, five hundred sixty-five thousand, four hundred thirty-four

thirty-four billion, five hundred sixty-five million, four hundred thirty-four

None of these

thirty-four million, five hundred sixy-five, four hundred thirty-four

4.

1 point

9 x 1= 9

*This is an example of the ____________.

Associative Property

Commutative Property

Distributive Property

Identity Property

5.

1 point

4.5; 45; 45.05; 4.51

Put these numbers in order from least to greatest

4.5; 4.51; 45; 45.05

4.5;45; 45.05; 4.51

6.

1 point

89.4

*Write this number in word form.

89.4

eighty-nine and four hundredths

eighty-nine and four tenths

7.

1 point

One pound of meat costs $1.28. To the nearest cent, how much will 5.2 pounds of meat cost?

$6.65

$6.66

8.

1 point

21 x (100 x 2)

234

420

430

4,200

9.

1 point

10.8 / 0.6

1.8

18.8

188

18

10.

1 point

34 + 5 x 2 - 16

28

12

23

2

11.

1 point

Estimate using Front End Estimation

$13.98 + $16.49 + $19.08 + $13.47

$59

$45

$63

$49

12.

1 point

Use COMPATIBLE NUMBERS to complete

* Best Estimate

672 divided by 52

about 14

about 5

about 25

about 23

13.

1 point

20 - 8 + 5

7

78

24

17

14.

1 point

Best estimate:

137 + 62 + 48

212

224

220

250

15.

1 point

Use Compatible Numbers to complete

*Best Estimate

290 x 22

about 4,500

about 6,000

about 300

about 3,000

16.

1 point

50.50 / 0.5

101

1

10.1

1.01

17.

1 point

40 / 8 x 4

16

28

20

9

18.

1 point

Last night Martha spen33 minutes on social studies homework, 27 minutes on English, and 12 minutes on Science. About how much time did she spend on all three subjects?

1 hour 10 min.

50 min.

40 min.

1 hour

19.

1 point

4 x 7 x 25

Which Property would you use to complete this problem using the mental math strategy?

Commutative Property and Associative Property

Identity Property

Don't pick this one. Hint: Use two properties

Commutative Property

20.

1 point

You have 324 cards for a strategy game. To play the game, a person needs 12 cards. About how many different people can play using your set of cards?

about 15

about 12

about 30

about 18

21.

1 point

5 x 7 x 4 = 4 x 7 x 5

Identity Property

Associative Property

Commutative Property

22.

1 point

7.25 x 0.8

58

5.8

45

4.05

23.

1 point

One batch of cookie dough makes 12 ornaments. How many ornaments can be made with 4 batches of dough

12

48

36

34

24.

1 point

Compare:

99,789 ____________99,781

>

<

=

25.

1 point

20 + 9 + 0.04 + 0.006

*What is the standard form of this number?

29

29.046

29.0046