All the solutions provided in McGraw Hill My Math Grade 1 Answer Key PDF Chapter 2 Lesson 6 Problem-Solving Strategy: Draw a Diagram will give you a clear idea of the concepts.
McGraw-Hill My Math Grade 1 Answer Key Chapter 2 Lesson 6 Problem-Solving Strategy: Draw a Diagram
Abby has 5 erasers. She gives Matt 2 erasers. How many erasers does Abby have left?
1. Understand underline what you know. Circle what you need to find.
2. Plan How will I solve the problem?
3. Solve I will draw a diagram.
4. Check Is my answer reasonable? Explain.
Answer:
3 erasers
Explanation:
I know that
Abby has 5 erasers
She gives Matt 2 erasers
Subtract 2 from 5 to find the difference
5 – 2 = 3
So, 3 erasers are left with Abby
Yes, the answer is reasonable as 2 + 3 = 5.
Practice the Strategy
Lila has 8 toys. She lets Rex play with 3 of the toys. How many toys does Lila have left?
1. Understand Underline what you know. Circle what you need to find.
2. Plan How will I solve the problem?
3. Solve I will…
____ toys
4. Check Is my answer reasonable? Explain.
Answer:
Explanation:
I know that
Lila has 8 toy
She lets Rex play with 3 of the toys
Subtract 3 from 8 to find the difference
8 – 3 = 5
So, the difference is 5
5 toys are left with Lila.
Yes, my answer is reasonable as 5 + 3 = 8.
Apply the Strategy
Draw a diagram to solve.
Question 1.
Nick has 6 cherries. He eats 3 of the cherries. How many cherries are left?
_____ cherries
Answer:
Explanation:
Nick has 6 cherries
He eats 3 of the cherries
I drew 6 cherries and marked X on 3
6 – 3 = 3
So, 3 cherries are left.
Question 2.
Alberto buys 7 apples. He eats I apple. How many apples does he have left?
____ apples
Answer:
Explanation:
Alberto buys 7 apples
He eats I apple
I drew 7 apples and marked X on 1 apple
7 – 1 – 6
6 apples are left.
Question 3.
There are 7 oranges. Miles eats some of the oranges. There are 5 oranges left. How many oranges did Miles eat?
____ oranges
Answer:
Explanation:
There are 7 oranges. Miles eats some of the oranges
There are 5 oranges left
I drew 7 oranges and 5 are left
7 – 5 = 2
Miles ate 2 oranges.
Review the Strategies
Choose a strategy
- Draw a diagram.
- Act it out.
- Write a number sentence.
Question 4.
Lena has 6 books. She gives 2 books to her sister. How many books does Lena have left?
____ books
Answer:
Explanation:
Lena has 6 books
She gives 2 books to her sister
I drew 6 books and marked X on 2 books
6 – 2 = 4
4 books are left.
Question 5.
Jessica catches 4 frogs. 3 of the frogs hop away. How many frogs does Jessica have now?
____ frog
Answer:
Explanation:
Jessica catches 4 frogs
3 of the frogs hop away
I drew 4 frogs and marked X on 3 frogs
4 – 3 = 1
1 frog is left.
Question 6.
Marcos ate 5 crackers. Shani ate some of the crackers. Together they ate 9 crackers. How many crackers did Shani eat?
___ crackers
Answer:
Explanation:
Marcos ate 5 crackers
Shani ate some of the crackers
Together they ate 9 crackers
I drew 9 biscuits and marked X on 5 crackers
9 – 5 = 4
4 crackers are left.
McGraw Hill My Math Grade 1 Chapter 2 Lesson 6 My Homework Answer Key
Problem Solving
Underline what you know. Circle what you need to find. Draw a diagram to solve.
Question 1.
There are 9 frogs on a tree. 4 of the frogs hop away. How many frogs are left on the tree?
____ frogs
Answer:
Explanation:
There are 9 frogs on a tree
4 of the frogs hop away
I drew 9 frogs and marked X on 4 trees
9 – 4= 5
5 frogs are left on the tree.
Question 2.
Max sees 7 butterflies on a flower. 5 of them fly away. How many butterflies are left?
____ butterflies
Answer:
Explanation:
Max sees 7 butterflies on a flower
5 of them fly away
I drew 7 butterflies and marked X on 5 butterflies
7 – 5 = 2
2 butterflies are left.
Question 3.
There are 8 pandas sitting near a tree. 4 of them leave. How many pandas are still near the tree?
____ pandas
Answer:
Explanation:
There are 8 pandas sitting near a tree
4 of them leave
I drew 8 pandas and marked X on 4 pandas
5 are still near the tree.
Math at Home Give your child a simple subtraction problem and have him or her solve it by drawing a picture