Download Evaluating Addition and Subtraction Expressions

Practice
Name
4-2
Evaluating Addition and
Subtraction Expressions
Evaluate each expression.
1. 10.21 2 4.6
5.61
2. b 1 1.85; b 5 0.03
3. 5.011 1 x; x 5 1.23
6.241
1.88
4. 22.9 2 k; k 5 0.61
5. m 2 1.26; m 5 9.834
22.29
6. 24 1 7.45
8.574
31.45
7. Complete
the sequence of numbers. 4.25, 5, 5.75, 6.5,
,
8. Number Sense How does the cost for 1 tube of
glue compare to the cost for 1 roll of tape?
Craft Supplies
The tube of glue costs $0.40
more.
9. What is the difference in cost between 2 packs
of markers and 4 sheets of poster board?
$3.84
10. In a long jump competition, Khaila jumped 3.9
meters. Alicia jumped 3.08 meters. How much
farther did Khaila jump?
7.25
Poster board
$1.29/sheet
Markers
$4.50/pack
Tape
$1.99/roll
Glue
$2.39/tube
Construction paper $3.79/pack
A 0.01 meter
B 0.82 meter
C 0.98 meter
D 1.01 meters
11. Writing to Explain Trey wrote 9.009 2 0.01 5 9.008. Is his answer correct?
Why or why not?
Sample answer: No. The decimals must be
lined up when subtracting. The correct answer
is 8.999.
P 4•2
Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved. 6