NYS COMMON CORE MATHEMATICS CURRICULUM
Lesson 17 Application Problem 4 5
Use a number bond to show the relationship between
2 3
5
, , and 6.
6 6
fractions to write two addition and two subtraction sentences.
Then use the
Lesson 17 Problem Set 4•5
NYS COMMON CORE MATHEMATICS CURRICULUM
1. Use the following three fractions to write two subtraction and two addition
number sentences.
a.
8
2
,
5
,
5
10
5
b.
15
8
,
7
8
,
8
8
2. Solve. Model each subtraction problem with a number line, and solve by both
counting up and subtracting. Part (a) has been solved for you.
a.
3
1−4
c. 1 −
b. 1 −
3
5
8
10
5
d. 1 − 8
Lesson 17 Problem Set 4•5
NYS COMMON CORE MATHEMATICS CURRICULUM
e. 1
2
10
7
−
10
1
f. 1 5 −
3
5
3. Find the difference in two ways. Use number bonds to decompose the whole.
Part (a) has been completed for you.
2
a. 1 5 −
5
5
4
5
5 2 7
+ =
5 5 5
2
5
3
b. 1 6 −
7 4 3
− =
5 5 5
4
6
5 4 1
− =
5 5 5
1 2 3
+ =
5 5 5
NYS COMMON CORE MATHEMATICS CURRICULUM
6
c. 1 8 −
1
d. 1 10 −
3
e. 1 12 −
7
8
7
10
6
12
Lesson 17 Problem Set 4 5
NYS COMMON CORE MATHEMATICS CURRICULUM
Name
Lesson 17 Exit Ticket 4 5
Date
1. Solve. Model the problem with a number line, and solve by both counting up
and subtracting.
1−
2
5
2. Find the difference in two ways. Use a number bond to show the
decomposition.
2
17 −
5
7
NYS COMMON CORE MATHEMATICS CURRICULUM
Lesson 17 Problem Set Answer Key 4•5
NYS COMMON CORE MATHEMATICS CURRICULUM
Lesson 17 Problem Set Answer Key 4•5
Lesson 17 Homework 4•5
NYS COMMON CORE MATHEMATICS CURRICULUM
1. Use the following three fractions to write two subtraction and two addition
number sentences.
a.
5
,
6
4
9
,
6
b.
6
5
,
9
13
,
9
8
9
2. Solve. Model each subtraction problem with a number line, and solve by both
counting up and subtracting.
a. 1 −
3
5
b. 1 −
8
c. 1 6 −
5
6
d. 1 −
2
5
1
4
Lesson 17 Homework 4•5
NYS COMMON CORE MATHEMATICS CURRICULUM
1
e. 1 3 −
2
3
1
f. 1 5 −
2
5
3. Find the difference in two ways. Use number bonds to decompose the whole.
Part (a) has been completed for you.
2
a. 1 5 −
5
5
4
5
2
5
3
b. 1 8 −
7
8
5 2 7
+ =
5 5 5
5 4 1
− =
5 5 5
7 4 3
− =
5 5 5
1 2 3
+ =
5 5 5
NYS COMMON CORE MATHEMATICS CURRICULUM
1
c. 1 4 −
2
d. 1 7 −
3
e. 1 10 −
3
4
5
7
7
10
Lesson 17 Homework 4•5