CCSS
Solve two-step
word problems
using the fourdistinguishing
operations. Represent
MR 1.1G3.OA.8
Analyze problems
by identifying
relationships,
these problems using equations with a letter standing for the unknown quantity. Assess
relevant from irrelevant information, sequencing and prioritizing
the reasonableness of answers using mental computation and estimation strategies
information, and observing patterns.
including rounding.
UNDERLYING SKILLS AND CONCEPTS:
meaning of picture graphs;
functional relationships
Read and Interpret Picture Graphs
s!
a
K
ey Ide
Picture graphs can be used to show
and compare data.
Picture graphs use a picture to show data.
One picture can mean more than one vote.
e
tur
c
i
P
ph
gra
The key in a picture graph tells you
how many votes each picture stands for.
E x am p l E
Mr. Collins’ third-grade class
completed a survey of favorite pets.
The picture graph shows the results.
FAVORITE PETS
Dog
Cat
Which is the most popular pet?
How do you know?
The dog is the most popular pet
because it has the most symbols.
16 people voted for dogs.
Hamster
Each
= 4 votes
How many children picked the cat
as their favorite pet?
There are 31
symbols.
2
Since each symbol means 4 votes, 1
symbol means 2 votes.
2
14 chose cats.
How many third-graders were surveyed?
There are 9 hearts plus 2 half hearts, so a total of 10 hearts.
Each heart means 4 votes, so 10 4 40 third-graders were surveyed.
page 342
Chapter 29 – Lesson 3
C – © CSL Associates, Inc. All rights reserved.
Bird
Name
P RAC T I C E
Use the graph to solve.
1. Which color paint was used most?
blue
POTS OF PAINT USED
blue
2. What does each picture stand for?
red
4 pots of paint
green
3. How many pots of red paint were
used?
12
yellow
Each
= 4 pots of paint
4. Which color did 6 people choose?
green
C – © CSL Associates, Inc. All rights reserved.
5. How many more pots of green paint
were used than yellow?
2 pots
6. How pots of paint were used in all?
40 pots of paint
7. Complete the bar graph to show the
same information.
Math
Reasoning
blue
red
green yellow
Picture Graphs
MR 2.2
8. How can you show 9 in a picture graph if each
stands for 2? Explain.
Use 4
1
2
circles. Each circle means 2, so 4 circles mean
2 4, or 8. Then use half a circle to show 1 more to make 9.
Chapter 29 – Lesson 3
page 343
MCX94.HW.CL.G3.FM&Lesson.v211
8/3/04
13:57
Page 230
Name
…at home!
P RAC T I C E
Use the graph to solve.
1. Which color paint was used most?
red
POTS OF PAINT USED
red
2. What does each picture stand for?
yellow
6 pots of paint
blue
3. How many pots of yellow paint were
green
used?
18
Each
= 6 pots of paint
4. Which color used 6 pots of paint?
green
3 pots
6. How many pots of paint were used in
all?
60 pots of paint
7. Complete the bar graph to show the
same information.
Math
Reasoning
red yellow blue green
Picture Graphs
MR 2.2
8. How can you show 9 in a picture graph if each
stands for 4? Explain.
Use 214 circles. Each circle means 4, so 2 circles mean 4 2, or 8.
Then use one fourth of a circle to show 1 more to make 9.
page 230
Home Resource and Homework
Chapter 29 Lesson 3
C – © CSL Associates, Inc. All rights reserved.
5. How many more pots of blue paint
were used than green?
MCX94TEG3Ch01_32.v8.9.3 2/21/01 14:52 Page 631
Name
P RAC T I C E
Use the graph to solve.
1. Which color paint was used most?
blue
POTS OF PAINT USED
blue
2. What does each picture stand for?
red
4 pots of paint
green
3. How many pots of red paint were
used?
yellow
12
Each
= 4 pots of paint
4. Which color did 6 people choose?
green
C – © CSL Associates, Inc. All rights reserved.
5. How many more pots of green paint
were used than yellow?
2 pots
POTS OF PAINT USED
16
12
6. How pots of paint were used in all?
40 pots of paint
8
4
7. Complete the bar graph to show the
same information.
Math
Reasoning
20
0
blue
red
green yellow
Picture Graphs
MR 2.2
8. How can you show 9 in a picture graph if each
stands for 2? Explain.
Use 4
1
2
circles. Each circle means 2, so 4 circles mean
2 4, or 8. Then use half a circle to show 1 more to make 9.
Chapter 29 – Lesson 3
Student Book Page
page 343
Name
…at home!
P RAC T I C E
Use the graph to solve.
1. Which color paint was used most?
red
POTS OF PAINT USED
red
2. What does each picture stand for?
yellow
6 pots of paint
blue
3. How many pots of yellow paint were
green
used?
18
Each
= 6 pots of paint
4. Which color used 6 pots of paint?
28
5. How many more pots of blue paint
were used than green?
3 pots
(27)
24
20
(18)
16
6. How many pots of paint were used in
all?
60 pots of paint
12
(9)
8
(6)
4
7. Complete the bar graph to show the
same information.
Math
Reasoning
POTS OF PAINT USED
0
red yellow blue green
Picture Graphs
MR 2.2
8. How can you show 9 in a picture graph if each
stands for 4? Explain.
Use 214 circles. Each circle means 4, so 2 circles mean 4 2, or 8.
Then use one fourth of a circle to show 1 more to make 9.
page 230
Home Resource and Homework
Chapter 29 Lesson 3
C – © CSL Associates, Inc. All rights reserved.
green