Name: __________________
Parent Signature: _____________________
Due Date: _________________
Unit 3 Study Guide
1. Which of the following is equal to 6.2 x .8?
a. (6 x .8) + ( 2 x .8)
c. (6 x .8) + (.2 x .8)
b. (6 x .8) x (.2 x .8)
d. (6+.8) x (.2 + .8)
2. Find the products.
a. 102 x 18.915 = ________________
b. 103 x 18.915 = ________________
c. 104 x 18.915 = ________________
3. Rewrite 4,000 as a whole number multiplied by a power of ten.
__________________________
4. Find the missing divisor.
149.2 ÷ ___ = 14.92
a. 101
c. 103
b. 102
d. 104
5. Which expression has the same value as 3,600?
a. (4x9) x 101
c. (4x9) x 103
b. (4x9) x 102
d. (4x9) x 104
6. How many decimal places would be in the product of 2.97 x 6.82? __________
7. Which equation does this model represent?
a. .4 x 8 = 3.2
c.
.4 x 16 = 3.2
b. .4 x 3.2 = 8
d. 3.2 x .4 = 8
8. Rewrite this expression using exponents.
10 x 10 x 10 = ____________
9.
59
X 6.8
= _____________
10. A hamburger costs $3.97. How much would it cost to purchase 12 hamburgers at
that price?
$___________
11. Find the quotient.
8.1 ÷ .9 = ____________
12. Complete the equation to match this model. _____ x _______ = ______
13. Which equation is represented by the model below?
a. 4.2 ÷ 1.4 = 3
b. 1.4 ÷ 3 = 4.2
c. 4.2 ÷ 1.4 = 1.4
d. 3 x 1.4 = 1.4
14.
.05 ÷ .5 = _________
15. Mr. Hawkins has 3.5 pounds of tomatoes from his garden. His neighbor has 2.6 times
as many pounds of tomatoes. How many pounds of tomatoes does his neighbor have?
__________ pounds
16. Place a check by each expression that has a quotient less than the value represented
by the model. The entire grid represents one whole.
_____ .26 ÷ .1
_____ .021 ÷ 1
_____ .055 ÷ .1
_____ 4.5 ÷ 10
_____ 53 ÷ .01
17. Draw a model to represent the expression 1.2 x .3
18. What is the correct product of the model drawn above? ____________