Practice questions available in McGraw Hill Math Grade 2 Answer Key PDF Chapter 8 Lesson 10 Adding and Subtracting Using a Number Line will engage students and is a great way of informal assessment.
McGraw-Hill Math Grade 2 Answer Key Chapter 8 Lesson 10 Adding and Subtracting Using a Number Line
Solve
Use the number line to solve.
Question 1.
The roll of paper had 20 feet of paper. Ron used 3 feet for an art project. How many feet are left?
___________ feet
Answer:
17 feet
Explanation:
The roll of paper had 20 feet of paper
Ron used 3 feet for an art project
Subtract to find
20 – 3 = 17
So, 17 feet of paper roll is left.
Question 2.
Jess painted a wall that is 12 feet wide. Dean painted a wall that is 10 feet wide. How much more wider was the wall Jess painted?
_____________ feet wider
Answer:
2 feet wider
Explanation:
Jess painted a wall that is 12 feet wide
Dean painted a wall that is 10 feet wide
Subtract to find the answer
12 – 10 = 2
So, the wall Jess painted is 2 feet more wider.