All the solutions provided in McGraw Hill My Math Grade 2 Answer Key PDF Chapter 11 Lesson 6 Problem-Solving Strategy: Use Logical Reasoning will give you a clear idea of the concepts.
McGraw-Hill My Math Grade 2 Answer Key Chapter 11 Lesson 6 Problem-Solving Strategy: Use Logical Reasoning
Koko wants to plant a garden. She cannot decide if it should be 10 inches, 10 feet, or 100 yards long. About how long should the garden be?
1. Understand
Underline what you know.
Circle what you need to find.
2. Plan
How will I solve the problem?
3. Solve
Use logical reasoning
4. Check
Is my answer reasonable? Explain.
Answer:
Yes, my answer is reasonable
10 inches will be very short
100 yards will be very long so, 10 feet long is correct.
Practice the Strategy
Zachary is looking up at the high diving board at the pool. Is the high diving board 10 inches high, 10 feet high, or 10 yards high?
1. Understand
Underline what you know.
Circle what you need to find.
2. Plan
How will I solve the problem?
3. Solve
I will …
4. Check
Is my answer reasonable? Explain.
Answer:
10 feet height is maximum
because, 10 inches will be vey low and 10 yards will be very deep
so, 10 feet my answer is reasonable.
Apply the Strategy
Question 1.
Sam planted a tomato plant that is 1 foot tall. The plant grows a little each week. After 4 weeks, would the plant be 10 inches or 14 inches tall?
_____________ inches
Answer:
10 inch
Explanation:
Sam planted a tomato plant that is 1 foot tall.
The plant grows a little each week. After 4 weeks,
The plant must grow 10 inch longer.
Question 2.
Jane made a paper chain that is I yard long. Brad made a paper chain that is 2 feet long. Who made the longer paper chain?
Answer:
Jane
Explanation:
Jane made a paper chain that is I yard long.
Brad made a paper chain that is 2 feet long.
1 yard = 3 feet
so, Jane made longer paper chain
Question 3.
Mr. Moore’s class is collecting things to measure. Lisa finds a pinecone. Would the pinecone be 3 inches, 3 feet, or 3 yards long?
Answer:
3 inch.
Explanation:
Lisa finds a pinecone.
so, the length of the pine cone must be 3 inches
it cannot be longer than 3 inch.
Review the Strategies
Choose a strategy
- Use logical reasoning.
- Write a number sentence.
- Make a model.
Question 4.
Santos connected 6 markers. Each marker measures 5 inches. How long are all the markers?
____________ inches
Answer:
30 inches
Explanation:
Santos connected 6 markers.
Each marker measures 5 inches.
6 x 5 = 30
30 inches that all the markers in all.
Question 5.
Jamil had a pencil that was 6 inches long. After a month it was an inch long. How many inches did Jamil use?
_____________ inches
Answer:
5 inches
Explanation:
Jamil had a pencil that was 6 inches long.
After a month it was an inch long.
6 – 1 = 5
so, Jamil used 5 inches
Question 6.
Suni measured from one end of her kitchen table to the middle. It was 42 inches long. Then she measured from the middle to the other end. It was the same length. How long is the table?
_____________ inches
Answer:
84 inches
Explanation:
Suni measured from one end of her kitchen table to the middle.
It was 42 inches long. Then she measured from the middle to the other end.
It was the same length.
42 + 42 = 84
The table is 84 inches long.
McGraw Hill My Math Grade 2 Chapter 11 Lesson 6 My Homework Answer Key
Problem Solving
Underline what you know. Circle what you need to find. Use logical reasoning to solve.
Question 1.
A bookshelf is 14 inches wide. There is enough space to fit 2 trophies. One trophy is 2 inches wider than the other. How wide is the wider trophy?
______________ inches
Answer:
2 inches
Explanation:
A bookshelf is 14 inches wide.
There is enough space to fit 2 trophies.
One trophy is 2 inches wider than the other.
6 + 6 = 12
so, each trophy must be 6 and 6 one of the trophy is 2 inches more
so, 6 + 8 = 14
The second trophy is 2 inches wider.
Question 2.
Joan has a stalk of celery that is 6 inches long. She cuts it into two pieces. Each piece is the same length. How long is each piece.
______________ inches
Answer:
3 inches
Explanation:
Joan has a stalk of celery that is 6 inches long.
She cuts it into two pieces.
Each piece is the same length.
3 + 3 = 6
so, each piece is 3 inch long
Question 3.
Marlon and Brent are each measuring one of their shoes. Their shoes measure 11 inches in all. Marlon’s shoe is 1 inch longer than Brent’s shoe. How long is Brent’s shoe?
______________ inches
Answer:
12 inch.
Explanation:
Their shoes measure 11 inches in all.
Marlon’s shoe is 1 inch longer than Brent’s shoe.
11 + 1 = 12 inch
Brent’s shoe is 12 inch long that is 1 foot
Test Practice
Question 4.
36 inches is ___________ feet.
(A) 1
(B) 2
(C) 3
(D) 4
Answer:
C
Explanation:
1 foot = 12 inches
12 inch is equal to 1 foot
36 divided by 12 = 3
36 inches is 3 feet.
Math at Home Ask your child to estimate distances from one room to another. Have our child check by measuring.
Answer:
Distance between from one room to the other room is 5 meters.