Monday 10/12 Practice

Monday 10/12 Practice

^{This Practice is a review of Module 1 & 2}

Module 1 Review

Adding Rational Numbers

Multiple Choice

What is the value of (-115) + 23?

• -138

• 92

• 138

• -92

Multiple Choice

What is the value of -456 + 905?

• -449

• 1361

• 449

• -1361

Multiple Choice

Fill in the blank for the following rule: If the rational numbers have different signs, ____________________ the absolute values and keep the sign of the number with the biggest absolute value.

• add

• subtract

• multiply

• divide

Multiple Choice

- 2.5 + - 4.1

• -1.6
• 1.6
• -6.6
• 6.6

Multiple Choice

- 31 + - 7

• 24
• -24
• - 38
• 38

Multiple Choice

- 12 + - 8

• - 20
• 20
• 4
• -4

Module 1 Review

Subtracting Rational Numbers

Multiple Choice

−28+(−8)=

• 36
• −36
• −20
• 20

Multiple Choice

Evaluate:  -19 -10

• 9
• -9
• -29
• 29

Multiple Choice

Solve the problem.
-4 - 10

• -4
• 4
• 14
• -14

Multiple Choice

What is the value of –12.45 − (–206.3)?

• -218.75

• -193.85

• 193.85

• 218.75

Multiple Choice

-2.4 - 1.2

• 3.6

• -3.6

• 1.2

• -1.2

Module 1 Review

Multiplying & Dividing Rational Nunmbers

Multiple Choice

Calculate
1.08÷4

• 2.7
• 0.27
• 2.07
• .20

Multiple Choice

Solve:

• -3/14

• 7/6

• -6/-7

• 6/7

Multiple Choice

Multiply
(5) • (–9) • (–2)

• 90
• -45
• -90
• 47

Multiple Choice

Determine the product: -2.14 x (5.8) =

• -12.412

• 10.45

• 12.412

• -10.45

Multiple Choice

Determine the product: -3 X (3)

• 9

• -9

• 1

• -1

Multiple Choice

What is the sign of:

The quotient of two negative numbers?

• Positive

• Negative

• Zero

Multiple Choice

What is the sign of:

the product of two positive numbers?

• Positive

• Negative

• Zero

Module 2 Review

Scale Factor

Multiple Choice

Find the triangle similar to △ABC

Multiple Choice

A ~ B. What is the scale factor of the dilation of A to B?

• $\frac{4}{3}$

• $\frac{3}{4}$

• 3

• 4

Multiple Choice

If the scale factor is greater than one, the new figure will be

• a reduction
• an enlargement
• a scale
• not proportional

Multiple Choice

What does Congruent mean?

• When two things weight the same
• Same size same shape

Multiple Choice

What does similar mean?

• When two figures have the same Rate of change
• Same size
• Same shape
• When two shapes have the same Scale FactorΔ

Multiple Choice

The pair of figures is similar. Find the missing side.

• x = 12
• x = 3
• x = 40
• x = 4

Multiple Choice

Find missing side

• 5
• 7
• 9
• 11

Multiple Choice

What is the scale factor from the small shape to the big shape?

• 1/2
• 7/3
• 2
• 10/3

Multiple Choice

The two rectangles are scale drawings. What is the measurement of x?

• 21
• 1.25
• 20
• 4