McGraw Hill Math

Practice questions available in McGraw Hill Math Grade 2 Answer Key PDF Chapter 8 Lesson 9 Using a Number Line to Show Lengths will engage students and is a great way of informal assessment.

McGraw-Hill Math Grade 2 Answer Key Chapter 8 Lesson 9 Using a Number Line to Show Lengths

Measure and Record

Use a ruler. Measure these objects in inches. Put dots on the number line to show their lengths.

Answer:

Explanation:
I measured the objects given above using an inch ruler
The eraser and car are 1 inch long and the crayon is 2 inch long
So, i marked 1 and 2 on the number line.

Question 1.
How many objects were 1 inch long?
Answer:
2 objects are 1 inch long, they are eraser and car.

Question 2.
How many objects were 2 inches long?
Answer:
1 object is 2 inches long that is a crayon.

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.

Practice questions available in McGraw Hill Math Grade 2 Answer Key PDF Chapter 8 Test will engage students and is a great way of informal assessment.

McGraw-Hill Math Grade 2 Chapter 8 Test Answer Key

Measure the length of each object.

Question 1.

___________ inches
Answer:

Explanation:
I measured the note using an inch ruler
It is 1 inch long.

Question 2.

___________ centimeters
Answer:

Explanation:
I measured the pen suing a ruler
It is 6 centimeters long.

Question 3.

___________ centimeters
Answer:

Explanation:
I measured the paper clip using a ruler
It is 3 centimeters long.

Question 4.
Cara measures the length of her bed. It is 72 inches long. It is 6 feet long. Why are there more inches than feet? Explain.
Answer:
Inches is a shorter measurement than feet
1 feet = 12 inches
So, there are more inches than feet.

Estimate the length of the object. Then measure the length.

Question 5.

Estimate: about ___________ inches
Measure: ___________ inches
Answer:

Explanation:
Estimate: about 4 inches
Measure: 2 inches
I estimated and measured the length of the pen
The pen is 3 inches long.

Write an equation to help solve the problem.

Question 6.
Greta has 20 inches of string. She uses some string on a craft project. Now she has 12 inches of string left. How much string did Greta use for her project?
Answer:
20 – 12 = 8
8 inches

Explanation:
Greta has 20 inches of string
She uses some string on a craft project
Now she has 12 inches of string left
Subtract 12 from 20 to find the answer
So, 20 – 12 = 8
Therefore, Greta used 8 inches of the string.

Question 7.
A ladybug flies 22 meters. It stops and rests. Then it flies 21 more meters. How far does the ladybug fly?
Answer:
22 + 21 = 43
43 meters

Explanation:
A ladybug flies 22 meters
It stops and rests
Then it flies 21 more meters
Add to find the answer
So, 22 + 21 = 43
Therefore, the ladybug flies 43 meters.

Use a number line to solve each problem.

Question 8.
Lisa’s puppy was 12 inches tall. Put a red dot on the number line to show how tall Lisa’s puppy was. The puppy grew 3 inches. Use the number line to count on. How tall is Lisa’s puppy now?
___________ inches
Answer:

Explanation:
Lisa’s puppy was 12 inches tall
I kept a red dot on the number line to show how tall Lisa’s puppy was
The puppy grew 3 inches
I started at 12
I counted on 3 more using the number line
I reached at 15
So, Lisa’s puppy is now 15 inches long.

Question 9.
Mr. Martin rode his bike 11 miles on Monday. Put a blue dot on how far he rode. On Tuesday he rode 8 miles. Put a green dot on how far he rode. How many fewer miles did he ride on Tuesday? Count back on the number line.
_____________ miles
Answer:

Explanation:
Mr. Martin rode his bike 11 miles on Monday
I kept a blue dot on how far he rode
On Tuesday he rode 8 miles
I kept a green dot on how far he rode
I started at 11
I counted backward 3 using the number line
I reached at 8
So, Mr. Martin rode 3 miles fewer on Tuesday.

Excel in your academics by accessing McGraw Hill Math Grade 3 Answer Key PDF Chapter 4 Test existing for free of cost.

McGraw-Hill Math Grade 3 Chapter 4 Test Answer Key

Fill in the blanks.

Question 1.

4 groups of ______
5 + 5 + 5 + 5 = ___
4 × 5 = ___
Answer:
4 groups of 5.
4 × 5 = 20.

Explanation:
Number of rows = 4.
Number of columns = 5.
Number of dots = Number of rows × Number of columns
= 4 × 5
= 20.

Question 2.
3 + 3 + 3 = 3 × ___
Answer:
3 + 3 + 3 = 3 × 3 = 9.

Explanation:
3 + 3 + 3 = 3 × 3
= 9.

Question 3.
_____ + _____ = 2 × 5
Answer:
5 + 5 = 2 × 5.

Explanation:
5 + 5 = 2 × 5.

Question 4.

Answer:

Explanation:
Product of 7 and 2:
7 × 2 = 14.

Question 5.

Answer:

Explanation:
Product of 4 and 2:
4 × 2 = 8.

Question 6.

Answer:

Explanation:
Product of 9 and 2:
9 × 2 = 18.

Question 7.

Answer:

Explanation:
Product of 3 and 2:
3 × 2 = 6.

Question 8.
3 × 3 = ___
Answer:
3 × 3 = 9.

Explanation:
Product of 3 and 3:
3 × 3 = 9.

Question 9.
8 × 3 = ___
Answer:
8 × 3 = 24.

Explanation:
Product of 8 and 3:
8 × 3 = 24.

Question 10.
5 × 3 = ___
Answer:
5 × 3 = 15.

Explanation:
Product of 5 and 3:
5 × 3 = 15.

Question 11.
Write the multiplication sentence that shows how to find the number of apples.

Answer:
Number of apples = 16.

Explanation:
Number of rows of apples = 4.
Number of columns of apples = 4.
Number of apples = Number of rows of apples × Number of columns of apples
= 4 × 4
= 16.

Question 12.
write the number sentence that matches the picture.

Answer:
Number of aero planes = 10.

Explanation:
Number of aero planes in rows = 2.
Number of aero planes in columns = 5.
Number of aero planes = Number of aero planes in rows × Number of aero planes in columns
= 2 × 5
= 10.

Multiply.
Question 13.
Kim has 5 gloves. How many fingers do the gloves have in all? Draw to help you multiply.

________ × ________ = ________ fingers
Answer:
Number of fingers in the gloves have in all = 25.

Explanation:
Number of gloves Kim has = 5.
Number of fingers Kim has = 5.
Number of fingers in the gloves have in all = Number of gloves Kim has × Number of fingers Kim has
= 5 × 5
= 25.

Question 14.

Answer:

Explanation:
Product of 4 and 0:
4 × 0 = 0.

Question 15.

Answer:

Explanation:
Product of 7 and 1:
7 × 1 = 7.

Question 16.

Answer:

Explanation:
Product of 2 and 1:
2 × 1 = 2.

Question 17.

Answer:

Explanation:
Product of 5 and 0:
5 × 0 = 0.

Question 18.
I am a factor in a multiplication sentence. The other factor is 3. The product is 0. What number am I? How do you know?
Answer:
The number is 0.

Explanation:
The other factor is 3. The product is 0.
=> Let the first factor be x.
=> x × 3 = 0
=> x = 0 ÷ 3
=> x = 0.

Question 19.
4 × 7 = ____
7 × 4 = ____
Answer:
4 × 7 = 28.
7 × 4 = 28.

Explanation:
Product of:
4 × 7 = 28.
7 × 4 = 28.

Question 20.
2 × 5 = ___
5 × 2 = ___
Answer:
2 × 5 = 10.
5 × 2 = 10.

Explanation:
Product of :
2 × 5 = 10.
5 × 2 = 10.

Question 21.
3 × 8 = ___
8 × 3 = ___
Answer:
3 × 8 = 24.
8 × 3 = 24.

Explanation:
Product of:
3 × 8 = 24.
8 × 3 = 24.

Question 22.

Answer:

Explanation:
Product of 6 and 3:
6 × 3 = 18.

Question 23.

Answer:

Explanation:
Product of 9 and 4:
9 × 4 = 36.

Question 24.

Answer:

Explanation:
Product of 8 and 2:
8 × 2 = 16.

Question 25.

Answer:

Explanation:
Product of 6 and 5:
6 × 5 = 30.

Excel in your academics by accessing McGraw Hill Math Grade 3 Answer Key PDF Chapter 4 Lesson 9 Problem Solving existing for free of cost.

McGraw-Hill Math Grade 3 Answer Key Chapter 4 Lesson 9 Problem Solving

Solve.

Draw pictures to help you solve these problems.

Question 1.
Franz bought 3 bags of lemons. Each bag has 7 lemons. How many lemons does he have in all?
21 in all

3 × 7 = 21 lemons
Answer:
Number of lemons he have in all = 21.

Explanation:
Number of lemons of  bags Franz bought = 3.
Number of lemons in each bag = 7.
Number of lemons he have in all = Number of lemons of  bags Franz bought × Number of lemons in each bag
= 3 × 7
= 21.

Question 2.
The zoo has 11 black bears and 13 brown bears. How many bears live at the zoo?
_____ in all

____ + ____ = ____ bears
Answer:
Total number of bears in the zoo = 24.

Explanation:
Number of black bears in the zoo = 11.
Number of brown bears in the zoo = 13.
Total number of bears in the zoo = Number of black bears in the zoo + Number of brown bears in the zoo
= 11 + 13
= 24.

Question 3.
Nick tries to solve 2 × 1. He drew these circles.
Why will his answer be wrong?

Answer:
Equation: 2 × 2 = 4 not 2 × 1 = 2. He tries wrong.

Explanation:
Number of dots in each box = 2.
Number of boxes of dots = 2.
Total dots = Number of dots in each box  × Number of boxes of dots
= 2 × 2
= 4.

Excel in your academics by accessing McGraw Hill Math Grade 3 Answer Key PDF Chapter 4 Lesson 8 Multiplying by 1 Through 5 existing for free of cost.

McGraw-Hill Math Grade 3 Answer Key Chapter 4 Lesson 8 Multiplying by 1 Through 5

Solve

Multiply. Add or skip count to help find the product if you need to.

Question 1.
2 × 8 = 16
Answer:
2 × 8 = 16.

Explanation:
Product of 2 and 8:
2 × 8 = 16.

Question 2.
3 × 7 = ___
Answer:
3 × 7 = 21.

Explanation:
Product of 3 and 7:
3 × 7 = 21.

Question 3.
5 × 5 = ___
Answer:
5 × 5 = 25.

Explanation:
Product of 5 and 5:
5 × 5 = 25.

Question 4.

Answer:

Explanation:
Product of 4 and 5:
4 × 5 = 20.

Question 5.

Answer:

Explanation:
Product of 6 and 2:
6 × 2 = 12.

Question 6.

Answer:

Explanation:
Product of 3 and 1:
3 × 1 = 3.

Question 7.

Answer:

Explanation:
Product of 3 and 6:
3 × 6 = 18.

Question 8.

Answer:

Explanation:
Product of 5 and 7:
5 × 7 = 35.

Question 9.

Answer:

Explanation:
Product of 2 and 9:
2 × 9 = 18.

Question 10.
Andre has 3 bags of rocks. There are 5 green rocks and 2 blue rocks in each bag. How many green rocks does Andre have in all?
________ × ________ = ________ green rocks
Answer:
Total number of green rocks Andre has = 15.

Explanation:
Number of bags of rocks Andre has = 3.
Number of green rocks in each bag = 5.
Number of blue rocks in each bag = 2.
Total number of green rocks Andre has = Number of bags of rocks Andre has × Number of green rocks in each bag
= 3 × 5
= 15.

Practice questions available in McGraw Hill Math Grade 2 Answer Key PDF Chapter 9 Lesson 3 Using a Bar Graph to Solve Problems will engage students and is a great way of informal assessment.

McGraw-Hill Math Grade 2 Answer Key Chapter 9 Lesson 3 Using a Bar Graph to Solve Problems

Solve

Use the graph to help you answer the questions. This graph shows how many baskets of vegetables a farm stand had.

Question 1.
How many baskets of vegetables are at the farm stand?
Answer:
23 baskets

Explanation:
The above graph shows how many baskets of vegetables a farm stand had
There are 10 baskets of corn
5 baskets of beans
8 baskets of tomato
Add to find the number of baskets in all
10 + 5 + 8 = (10 + 5) + 8
15 + 8 = 23
So, there are 23 baskets of vegetables at the farm stand.

Question 2.
In the morning, the stand sells 3 baskets of corn. How many baskets of corn are left?
Answer:
7 baskets

Explanation:
The above graph shows how many baskets of vegetables a farm stand had
There are 10 baskets of corn
In the morning, the stand sells 3 baskets of corn
Subtract to find the number of baskets of corn left
10 – 3 = 7
So, 7 baskets of corn are left at the farm stand.

Practice questions available in McGraw Hill Math Grade 2 Answer Key PDF Chapter 9 Lesson 4 Using a Bar Graph to Compare Data will engage students and is a great way of informal assessment.

McGraw-Hill Math Grade 2 Answer Key Chapter 9 Lesson 4 Using a Bar Graph to Compare Data

Solve

Use the graph to help you answer the questions. This graph shows the fruit children in one class like best.

Question 1.
How many more Favorite Fruit children liked bananas than liked apples?
Answer:
4 children

Explanation:
The above graph shows the fruit children in one class like best
9 children like banana
5 children like apple
Subtract to find
9 – 5 = 4
So, 4 more favorite fruit children liked bananas than liked apples.

Question 2.
How many children did not choose oranges as their favorite fruit?
Answer:
18 children

Explanation:
The above graph shows the fruit children in one class like best
9 children like banana
4 children like cherries
5 children like apple
Add to find
9 + 4 + 5 = (9 + 4) + 5
= 13 + 5 = 18
So, 18 children did not chose oranges as their favorite fruit.

Practice questions available in McGraw Hill Math Grade 2 Answer Key PDF Chapter 9 Lesson 5 Making a Line Plot to Show Measurements will engage students and is a great way of informal assessment.

McGraw-Hill Math Grade 2 Answer Key Chapter 9 Lesson 5 Making a Line Plot to Show Measurements

Measure and Plot

Measure. Write the answer. Complete the line plot.

Length in inches
Answer:

Explanation:
I plotted the number 1 on the number line as the lengths of the paper clip and car is 1 inch long.

Question 1.

__________ inch
Answer:

Explanation:
I measured the length of the paper clip using the inch ruler
It is 1 inch long.

Question 2.

__________ inch
Answer:

Explanation:
I measured the length of the car using the inch ruler
It is 1 inch long.

Practice questions available in McGraw Hill Math Grade 2 Answer Key PDF Chapter 9 Lesson 6 Measuring Two Times and Making a Line Plot will engage students and is a great way of informal assessment.

McGraw-Hill Math Grade 2 Answer Key Chapter 9 Lesson 6 Measuring Two Times and Making a Line Plot

Solve

Use a metric ruler. Measure each item two times. Write the answer. Then put an X on the line plot.

Answer:

Explanation:
The objects given below are 1 and 3 centimeters long
So, i marked X on the number line on the numbers 1 and 3.

Question 1.

__________ centimeters
Answer:

Explanation:
I measured the length of birth day cap using the ruler
It is 1 centimeter long.

Question 2.

__________ centimeters
Answer:

Explanation:
I measured the length of bowl using the ruler
It is 3 centimeters long.