McGraw Hill Math Grade 4 Chapter 10 Lesson 7 Answer Key Problem Solving: Draw a Picture and Write an Equation

Practice the questions of McGraw Hill Math Grade 4 Answer Key PDF Chapter 10 Lesson 7 Problem Solving: Draw a Picture and Write an Equation to secure good marks & knowledge in the exams.

McGraw-Hill Math Grade 4 Answer Key Chapter 10 Lesson 7 Problem Solving: Draw a Picture and Write an Equation

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Question 1.
Elsa is knitting a blanket. She used 4\(\frac{3}{8}\) meters of red yarn and 2\(\frac{4}{8}\) meters of gold yarn. How many meters of yarn did she use altogether?
Answer:
6\(\frac{7}{8}\) meters

Explanation:
Elsa is knitting a blanket
She used 4\(\frac{3}{8}\) meters of red yarn and
2\(\frac{4}{8}\) meters of gold yarn
Add to find the total number of meters of yarn
4\(\frac{3}{8}\) + 2\(\frac{4}{8}\) = 6\(\frac{7}{8}\) meters
So, Elsa used 6\(\frac{7}{8}\) meters of yarn altogether.

Question 2.
Katia is building a tree house. She needs 52 boards. Each board has to be 4 meters long. How much wood does Katia need?
Answer:
208 meters of wood

Explanation:
Katia is building a tree house
She needs 52 boards
Each board has to be 4 meters long
Multiply to find
52 x 4 = 208
So, Katia used 208 meters of wood.

Question 3.
Ms. Morton has 167\(\frac{3}{5}\) cm of string. She cuts the string into two pieces. One piece is 72\(\frac{1}{5}\) cm long. How long is the other piece?
Answer:
McGraw Hill Math Grade 4 Chapter 10 Lesson 7 Answer Key img 1

Explanation:
Ms. Morton has 167\(\frac{3}{5}\) cm of string
She cuts the string into two pieces
One piece is 72\(\frac{1}{5}\) cm long
Subtract to find the length of the other piece
167\(\frac{3}{5}\) – 72\(\frac{1}{5}\) = 95\(\frac{2}{5}\)
So, the other piece is 95\(\frac{2}{5}\).

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