Please complete this assignment in your Assignment Book. Include all of the necessary
headings: your name; date; and title of this assignment.
2.3 Problem Solving With Rational Numbers in
Fraction Form Worksheet
1. i) Estimate. ii) Then, calculate. Show your work.
3
1
1
7
2
1
a)
b)
c)
–
3
–2
8
4
2
10
3
6
3
2
3
1
1
1
d)
e)
f)
– –
–
–
–2
10
5
4
2
4
3
1
3
2
5
g)
h)
–3
1
–
– –
2
7
3
6
2. i) Estimate. ii) Then, calculate. Show your work.
1
4
1
2
1
1
a)
b)
c)
–
2
3
4
2
3
5
2
3
2
4
3
2
2
3
1
5
d)
e)
f)
–
–
4
5
3
8
6
12
5
15
1
2
g)
h)
–
1
2
8
16
8
7
For #3 and 4,
a) write an expression using rational numbers to represent the problem, then
calculate
b) write a sentence to answer the problem
3
3. Mark has 24 newspapers to deliver. In one apartment building, he delivers
8
2
of them. In the next apartment building, he delivers
of the remaining
3
amount. How many papers does he have left to deliver?
1
4. The Rodriquez family has a monthly income of $6000. They budget
for
3
1
1
1
food,
for rent,
for clothing, and
for savings. How much money is left
4
5
10
for other expenses?
5. Complete each statement. Show your work.
1
5
2
3
a)
____ =
b)
____ =
1
–
2
6
5
10
3
1
2
1
c)
d) ____
–1
2
–3
____ =
8
4
3
2