All the solutions provided in McGraw Hill Math Grade 2 Answer Key PDF Chapter 5 Lesson 3 Place Value to 1,000 will give you a clear idea of the concepts.
McGraw-Hill My Math Grade 2 Answer Key Chapter 5 Lesson 3 Place Value to 1,000
Explore and Explain
Teacher Directions: Roll a red number cube. Write that number in the hundreds place. Roll again. Write that number in the tens place. Roll again. Write that number in the ones place. Write the value of each number and their sum when added together.
See and Show
Place value tells the value of a digit in a number. To write a number in expanded form, show the value of each digit.
Helpful Hint
When you write a number in expanded form, you show the value of each digit.
Write each number in expanded form. Then write the number.
Question 1.
1 hundred, 4 tens, and 9 ones
____ + ____ = ____
Answer:
100+40+9 = 149.
Explanation:
The expanded form of 1 hundred, 4 tens, and 9 ones is 100+40+9 = 149.
Question 2.
3 hundreds, 2 tens, and 5 ones
____ + ____ = ____
Answer:
300+20+5 = 325.
Explanation:
The expanded form of 3 hundreds, 2 tens, and 5 ones is 300+20+5 = 325.
Question 3.
5 hundreds, 7 tens, and I one
____ + ____ = ____
Answer:
500+70+1 = 571.
Explanation:
The expanded form of 5 hundreds, 7 tens, and 1 one is 500+70+1 = 571.
Talk Math
How are 562 and 265 the same? How are they different
Answer:
Here, 562 and 265 digits are the same but their place value is different.
On My Own
Write each number in expanded form. Then write the number.
Question 4.
7 hundreds, 0 tens, and 2 ones
____ + ____ = ____
Answer:
700+0+2 = 721.
Explanation:
The expanded form of 7 hundreds, 0 tens, and 2 one is 700+0+2 = 721.
Question 5.
4 hundreds, 2 tens, and 1 one
____ + ____ = ____
Answer:
400+20+1 = 421.
Explanation:
The expanded form of 4 hundreds, 2 tens, and 1 one is 400+20+1 = 421.
Circle the value of the underlined digit.
Question 6.
965
900 90 9
Answer:
900.
Explanation:
The place value of 9 in 965 is 900.
Question 7.
673
300 30 3
Answer:
3.
Explanation:
The place value of 3 in 673 is 3.
Write the number.
Question 8.
800 + 30 + 3 = ______
Answer:
800 + 30 + 3 = 833.
Explanation:
Given the expanded form is 800 + 30 + 3, so the number is 833.
Question 9.
200 + 90 + 0 = ______
Answer:
200 + 90 + 0 = 290.
Explanation:
Given the expanded form is 200 + 90 + 0, so the number is 290.
Question 10.
700 + 10 + 9 = ____
Answer:
700 + 10 + 9 = 719.
Explanation:
Given the expanded form is 700 + 10 + 9, so the number is
Question 11.
900 + 80 + 9 = ____
Answer:
900 + 80 + 9 = 989.
Explanation:
Given the expanded form is 900 + 80 + 9, so the number is 989.
Write the number in expanded form.
Question 12.
254 = ____ + _____ + _____
Answer:
254 = 200 + 50 + 4.
Explanation:
Given the number is 254, the expanded form will be 200+50+4.
Question 13.
526 = ____ + ____ + ____
Answer:
526 = 500 + 20 + 6.
Explanation:
Given the number is 526, the expanded form will be 500+20+6.
Problem Solving
Question 14.
The number of raisins in a box has 4 in the ones place, 2 in the hundreds place, and 5 in the tens place. How many raisins are in the box?
____ raisins
Answer:
254 raisins.
Explanation:
Given that the number of raisins in a box has 4 in the ones place, 2 in the hundreds place, and 5 in the tens place which is 254. So the number of raisins in the box is 254 raisins.
Question 15.
Sharon has a pile of 100 erasers, a pile of 20 erasers, and a pile of 5 erasers. How many erasers does Sharon have in all?
_____ erasers
Answer:
The total number of erasers is 125.
Explanation:
Given that Sharon has a pile of 100 erasers, a pile of 20 erasers, and a pile of 5 erasers. So the total number of erasers is 100+20+5 = 125 erasers.
Question 16.
Luis wrote a story. The number of pages in his story has 1 hundred, 7 tens, and 9 ones. How many pages are in his story?
____ pages
Answer:
The number of pages is 179 pages.
Explanation:
Given that Luis wrote a story and the number of pages in his story has 1 hundred, 7 tens, and 9 ones which is 179. So the number of pages in his story is 179 pages.
HOT Problem A number has three digits. Which digit has the greatest value and why?
Answer:
For the number with three digits, the greatest value will be hundreds.
McGraw Hill My Math Grade 2 Chapter 5 Lesson 3 My Homework Answer Key
Practice
Write each number in expanded form. Then write the number.
Question 1.
2 hundreds, 6 tens, and 8 ones
____ + ____ + ____ = ____
Answer:
200+60+8 = 268.
Explanation:
The expanded form of 2 hundreds, 6 tens, and 8 ones is 200+60+8 = 268.
Question 2.
3 hundreds, 1 ten, and 5 ones
____ + ____ + ____ = ____
Answer:
300+10+5 = 315.
Explanation:
The expanded form of 3 hundreds, 1 ten, and 5 ones is 300+10+5 = 315.
Question 3.
6 hundreds, 0 ten, and 2 ones
____ + ____ + ____ = ____
Answer:
600+0+2 = 602.
Explanation:
The expanded form of 6 hundreds, 0 tens, and 2 ones is 600+0+2 = 602.
Write the number in expanded form.
Question 4.
637 = ____ + ____ + _____
Answer:
600+30+7 = 637.
Explanation:
The expanded form of 6 hundreds, 3 tens, and 7 ones is 600+30+7 = 637.
Question 5.
742 = ____ + ____ + ____
Answer:
700+40+2 = 742.
Explanation:
The expanded form of 7 hundreds, 4 tens, and 2 ones is 700+40+2 = 742.
Question 6.
295 = ____ + ____ + ____
Answer:
200+90+5 = 295.
Explanation:
The expanded form of 2 hundreds, 9 tens, and 5 ones is 200+90+5 = 295.
Question 7.
Joe has 310 baseball cards. He writes the number of cards in expanded form. How many ones will he write?
_____ ones
Answer:
310 ones.
Explanation:
Given that Joe has 310 baseball cards and he writes the number of cards in the expanded form which is 300+10+0. So there will be 310 ones.
Question 8.
Trey reads that 482 people went to the baseball game. How can Trey show this number of people in expanded form?
____ + _____ + _____
Answer:
482 = 400+80+2.
Explanation:
Given that Trey reads that 482 people went to the baseball game. So the expanded form will be 400+80+2.
Vocabulary Check
Circle the numbers that show the word below.
Question 9.
Expanded form 300 + 42 300 + 40 + 2
Answer:
300+40+2
Explanation:
The correct expanded form is 300+40+2.
Math at Home Have your child tell you a three-digit number. Then ask your child to tell you the value of the first digit.
Answer:
The value of first digit is 200.
Explanation:
Let the three-digit number be 210. So the value of the first digit is 200.