All the solutions provided in McGraw Hill Math Grade 4 Answer Key PDF Chapter 6 Lesson 4 Problem-Solving Investigation: Make a Model will give you a clear idea of the concepts.
McGraw-Hill My Math Grade 4 Answer Key Chapter 6 Lesson 4 Problem-Solving Investigation: Make a Model
Learn the Strategy
Ann’s class bought 4 boxes of peaches at the orchard. There are 128 peaches in all. Each box has the same number of peaches. How many are in each box?
1. Understand
What facts do you know?
There are ____ peaches divided evenly into
What do you need to find?
Find the number of ___________
Answer:
32 peaches. We need to find how many are in each box. The number of peaches.
Explanation:
Given,
The boxes of peaches = 4
There are 128 peaches in all.
to find how many are in each box.
128 ÷ 4 = 32 peaches.
There are 32 peaches divided into.
2. Plan
I will use base-ten blocks to model 128 ÷ 4.
3. Solve
Model 128. Divide the tens into four equal groups. Then divide the ones into four equal groups.
So, each box has ____ peaches.
Answer:
Each box has 32 peaches.
Explanation:
Check
I can check by using repeated addition. 32 + 32 + 32 +32 = 128
So, I know that my answer is reasonable.
Practice the Strategy
Caleb’s family spent $420 on their road trip. Their road trip was 4 days long. If they spent the same amount of each day, how much did they spend each day?
1. Understand
What facts do you know?
_____________
_____________
What do you need to find?
_____________
Answer:
We know Caleb’s family spent $420 on their road trip. Their road trip was 4 days long. We need to find out how much they spend each day.
2. Solve
_____________
Answer:
The plan is to divide $420 by 4 to find out how much they spend each day.
Explanation:
3. Solve
Answer:
$420 ÷ 4 = $105
Explanation:
4 Check
Does your answer make sense? Explain.
_____________
Answer:
I can check by using repeated addition. 105 + 105 + 105 + 105 = 420
So, I know that my answer is reasonable.