We included HMH Into Math Grade 1 Answer Key PDF Module 8 Lesson 7 Use Data to Solve Problems to make students experts in learning maths.
HMH Into Math Grade 1 Module 8 Lesson 7 Answer Key Use Data to Solve Problems
I Can use information given in a word problem to make a tally chart or bar graph to solve the problem.
Step It Out
Question 1.
Marcy has 5 flowers. Vicki has 1 fewer flower than Marcy. Lian has 1 more flower than Marcy. They put all their flowers in a vase. How many flowers are in the vase?
A. Enter tallies for the flowers in the tally chart.
Answer:
Explanation:
I entered tally marks for the number of flowers Marcy, Vicki and Lian has.
B. Enter the totals.
Answer:
Explanation:
I counted and wrote the total of tally marks of flowers each have.
C. How many flowers are in the vase? Write or draw to show your thinking.
THINK: I know the girls put all their flowers in the vase.
There are _________ flowers in the vase.
Answer:
15 flowers are in vase
Explanation:
Marcy has 5 flowers
Vicki has 4 flowers
Lian has 6 flowers
5 + 4 + 6 = 15
So, there are 15 flowers in the vase.
Question 2.
Miguel saw 10 dogs at the park 2 dogs were white and 4 dogs were brown. He saw the same number of black dogs as brown dogs How many of each color dog did Miguel see at the park?
A. Draw bars in the graph to show the number of white dogs and brown dogs that Miguel saw.
Answer:
Explanation:
I drew a bar graph to show the number of white and 4 brown dogs.
B. How many black dogs did Miguel see? Explain.
Answer:
4
Explanation:
Miguel saw 10 dogs at the park 2 dogs were white and 4 dogs were brown
He saw the same number of black dogs as brown dogs
He saw 4 brown dogs
So, number of black dogs is 4.
C. Draw a bar to show the number of black dogs.
Answer:
Explanation:
I drew a bar graph to show the number of black dogs.
Check Understanding
Question 1.
Use the bar graph to answer the question.
How many more black dogs did Miguel see than white dogs?
_________ more
Answer:
2 more
Explanation:
Miguel saw 2 white dogs
He saw 4 black dogs
4 – 2 = 2
So, Miguel saw 2 more black dogs than white.
On Your Own
Question 2.
Make a bar graph to show the problem. Then use the graph to solve.
Some leaves fall from a tree.
Answer:
- 9 leaves are red.
- There are 5 more red leaves than orange leaves.
- There are 2 fewer yellow leaves than orange leaves.
How many leaves fell from the tree?
________ leaves
Answer:
15
Explanation:
9 red leaves fell from the tree
There are 5 more red leaves than orange leaves
9 – 5 = 4
So, 4 orange leaves fell from the tree
There are 2 fewer yellow leaves than orange leaves
4 – 2 = 2
So, 2 yellow leaves fell from the tree
9 + 4 + 2 =15
Therefore, 15 leaves fell from the tree.
Question 3.
Reason Explain how you found the number of yellow leaves.
Answer:
I found the number of yellow leaves after finding the number of orange leaves using the clue given to find the orange leaves.
Question 4.
Attend to Precision Make a bar graph to show the problem. Use the bar graph to solve the problem.
Juan has tetras and angelfish in his fish tank. 9 of the fish are tetras. He has 13 fish in all. How many angelfish are there?
There are ________ angelfish in the fish tank.
Answer:
Explanation:
Juan has tetras and angelfish in his fish tank
9 of the fish are tetras
He has 13 fish in all
13 – 9 = 4
So, there are 4 angelfish in the fish tank.
Question 5.
Attend to Precision Make a tally chart to show the problem. Then use the tally chart to solve the problem.
There are some black, gray, and white cats in the barn. 3 cats are black. The same black number of cats are gray. There is a total of 12 cats. How many cats are white?
There are __________ white cats.
Answer:
Explanation:
There are some black, gray, and white cats in the barn
3 cats are black
The same black number of cats are gray
So, there are 3 grey cats
There is a total of 12 cats
12 – 3 – 3
12 – 6 = 6
So, there are 6 white cats.