Unit 2 Math Test

Place Value

100

Write the missing power of 10 in the equation

0.70 x ___ = 7

10¹

200

Write the missing power of 10 in the equation

0.09 x ___ = 9

10²

300

What is equivalent to 5.6? Choose all that apply.

a.   0.56 x 100 

b.   56 / 10

c. 0.056 x 100

d. 560 / 10

b.   5.6

c.   5.6

400

Write the missing power of 10 in the equation

_____ x 0.003 = 30

10⁴

500

What is 100,000 written as a power of 10 in exponent form?

10⁵

Decimal Forms

100

Write this in standard form (as a number):

three hundred twenty-one and thirteen thousandths

321.013

200

Write this number in expanded form:

4092.76

4000 + 90 + 2 + 0.7 +0.06

300

Write this number shown in expanded form powers of 10 as a decimal in standard form:

3 x 100 + 9 x 10 + 5 x 1 + 3 x 0.1 + 2 x 0.01

395.32

400

Which number when rounded to the nearest tenth is equivalent to 4.5?

a. 4.55

b. 4.449

c. 4.61

d. 4.48

d. 4.5

500

Which expressions match the sum of 12.56 + 4.8 ?

a. 17.36

b. 16 and 36 hundredths

c. 13.04

d. 1 ten + 7 ones + 3 tenths + 6 hundredths

a. 17.36

d. 1 ten + 7 ones + 3 tenths + 6 hundredths

Fractions

100

Solve 

2  1/4     +    6  1/3   =

8   7/12

200

Solve

3  3/4   -   1  1/2   = d

2   1/4 

300

Solve

5  1/4   -    2  5/6  =  d

2    5/12

400

Brookie uses 1 3/4 cups of peanut butter and 3  1/3 cups of chocolate chips to make cookies. She says put together this will be less than 4 cups altogether because 1 + 3 = 4. Is she correct? Explain.

No. It will be more than 4 cups because 1 3/4 is greater than 1. It is almost 2! 3 1/3 is between 3 and 3 1/2. 

500

Shelby has 4 2/3 yards of red ribbon. She has 3 5/6 yards of green ribbon. How much ribbon does Shelby have in all? Estimate AND solve. 

Estimate = 4 1/2 or 5  +   4   = 8 1/2 or 9

Answer = 7  9/6   =   8 3/6   =  8 1/2 

Decimals

100

Compare 

0.090 __ 0.09

0.090 = 0.09

200

Compare 

132.45 __ 132.54

132.45 < 132.54

300

What is the rule when adding or subtracting decimals?

Line up the place values! (Line up the decimal)

400

The final scores were 154.2, 154.09, and 102.8. What is the difference between the highest and lowest scores?

154.2 - 102.8 = 51.4

500

Marcus has $17.00 saved. He earns $22.50 washing cars. He buys food at Primo's for $18.99. How much money does Marcus have left?

20.51

Unit 1 Review!

100

What is the area of a rectangle with a length of 15 meters and a width of 4 meters?

60 square meters

200

What is the perimeter of a square with side lengths of 12 feet?

48 feet

300

Why is volume cubed? 

It is a measure of a three-dimensional space (length x width x height) 

400

Solve the equation

652 x 341 = p

222332

500

Solve the equation

782 / 46 = q

17