9.ch4.1-4

Fill in the Blank

Solve the problem. HINT: the subtraction makes the second fraction negative.

Rules:

Same sign: add and keep the sign

Different signs: subtract and keep the sign of the bigger number

Fill in the Blank

Solve. Rules:

Same sign: add and keep

Different signs: subtract and keep the sign of the bigger number

Fill in the Blank

Solve. Rules

Same sign: add and keep the sign

Different signs: subtract and keep the sign of the bigger number

Fill in the Blank

Solve. Rules:

Same sign: add and keep the sign

Different signs: subtract and keep the sign of the bigger number

Fill in the Blank

Solve. Rules:

Same sign: add and keep the sign

Different signs: subtract and keep the sign of the bigger number

Fill in the Blank

Solve. Rules for multiplying:

Negative x Negative = Positive

Negative x Positive = Negative

Fill in the Blank

Solve. Hint: Change the fraction to a decimal first.

Rules for multiplying:

Negative x Negative = Positive

Negative x Positive = Negative

Fill in the Blank

Hint: leave them as fractions and multiply.

Solve. Rules for multiplying:

Negative x Negative = Positive

Negative x Positive = Negative

Fill in the Blank

Solve. Rules for multiplying:

Negative x Negative = Positive

Negative x Positive = Negative

Fill in the Blank

Hint: make the mixed numbers improper fractions first.

Solve. Rules for multiplying:

Negative x Negative = Positive

Negative x Positive = Negative

Multiple Choice

Between which two square roots does the √51 fall?

• √16 and √25

• √25 and √36

• √36 and √49

• √49 and √64

Multiple Choice

In between what two integers is the square root of 77?

• 5 and 6
• 6 and 7
• 7 and 8
• 8 and 9

Multiple Choice

In between what two integers is the square root of 44?

• 3 and 4
• 4 and 5
• 5 and 6
• 6 and 7

Multiple Choice

Between which two square roots does the √43 fall?

• √36 and √49

• √40 and √49

• √25 and √49

• √42 and √44

Multiple Choice

Between which two whole numbers does the √22 fall?

• 3 and 5

• 3 and 4

• 4 and 5

• 5 and 6

Multiple Choice

Between which two square roots does the √220 fall?

• √169 and √225

• √196 and √225

• √225 and √256

• √196 and √256

Multiple Choice

Estimate the square root.

• Between 3 and 4 and closer to 3

• Between 2 and 3 and closer to 3

• Between 3 and 4 and closer to 4

• Between 2 and 3 and closer to 2

Multiple Choice

Estimate the square root.

• Between 1 and 2 and closer to 1

• Between 1 and 2 and closer to 2

• Between 2 and 3 and closer to 2

• Between 2 and 3 and closer to 3

Multiple Choice

Solve ∛729

• 6

• 7

• 8

• 9

Multiple Choice

Solve m³ = 343

• 6

• 16

• 7

• 17

Multiple Choice

.639 x $$10^2$$ = 

• .639

• 6.39

• 63.9

• 639

Multiple Choice

.9 x 10 =

• .9

• .09

• 9

• .009

Multiple Choice

12.3 $$\div$$ $$10^2$$  =

• .123

• 1.23

• 12.3

• 123

Multiple Choice

.38923 x  $$10^4$$  =

• 3.8923

• 38.923

• 389.23

• 3892.3

Multiple Choice

73.32 x 100

• 733.2

• 7,332

• 7.332

• 70,332

Multiple Choice

23 x 10²

• 23,000

• 230

• 230,000

• 2,300

Multiple Choice

What number is 10 times as much as 700?

• 7
• 7,000
• 70
• 70,000

Fill in the Blank

456 ÷ 10²

Multiple Choice

87.5 ÷ 10²

• 87.5

• 8.75

• 0.875

Multiple Choice

8.3 x 10

• 83

• 830

• 0.83

• 8300

Multiple Choice

40 ÷ 10

• 4
• 40
• 14
• 50