Unit 4 test answer key

Name__________________________Date______________ Time___________
LESSON
4.8
W Written Assessment- Part A
ProProgress Check 4
Use the map to answer the questions.
1)
Estimate the distance from New Delhi to
Mumbai (Bombay).
2 pts
1 in.
Map Distance: __________________
750 mi.
Real Distance: ___________________
2)
Estimate the distance from Mumbai
(Bombay) to Mt. Everest. 2 pts
1 ½ in.
Map Distance: __________________
1,125
Real Distance: ___________________
3)
About how many miles from the northern tip
1,875
of Sri Lanka is K2? ________________
1 pt
Use a friendly number strategy to solve these problems mentally. 2 pts
14
4) 84 divided by 6 equals _____________________.
____________________________________________________.
Sample answer: 60 and 24
(friendly parts for 84)
13
5) 104 divided by 8 equals _____________________.
2 pts
Sample answer: 80 and 24
____________________________________________________.
(friendly parts for 104)
Name__________________________Date______________ Time___________
LESSON
4.8
Solve.
6)
W Written Assessment -Part A continued
2 pts
3

47
Check:
3 * 47 =141



 2 pts
78
÷

Check:
78 * 8 = 624
Make a magnitude estimate. Circle the appropriate box.
8) 59.4 ÷ 3
0.1s
9) 6.428 / 4
0.1s
2 pts
1s
60 ÷ 3 = 20
How I estimated: _______________
10s
100s
2 pts
1s
6 ÷ 4 = 1.5
How I estimated: _______________
10s
100s
Name__________________________Date______________ Time___________
LESSON
4.8
W Written Assessment -Part A continued
In problems 10 and 11:
Find the value of x in the first number sentence.
Use this value to complete the number sentence.
10) x = 100 – 95
1 pt
11) x = ½ of a dozen
1 pt
25
x² = _______
180
30 * x = _______
12) Write an open number sentence you can use to solve the number story below.
Then solve the number story.
Four friends rented a car. The total rental cost was $150, including ax. The
friends split the cost evenly. How much did each friend contribute?
2 pts
150 ÷ 4 = c, or 4 * c = 150
Number sentence: ____________________________________________
$37.50
Solution: _______________________________
Solve. Show your work for problems 13-18 on the computation grid.
1 pt
13)
21
126/6 = _______
1 pt
14)
27
9 * _______
= 243