Bridges in Mathematics Grade 4 Home Connections Unit 4 Module 1 Answer Key

Practicing the Bridges in Mathematics Grade 4 Home Connections Answer Key Unit 4 Module 1 will help students analyze their level of preparation.

Bridges in Mathematics Grade 4 Home Connections Answer Key Unit 4 Module 1

Bridges in Mathematics Grade 4 Home Connections Unit 4 Module 1 Session 2 Answer Key

Number Riddles & Stories

Question 1.
Draw a line to show which number matches each description. The first one is done for you.
Bridges in Mathematics Grade 4 Home Connections Unit 4 Module 1 Answer Key 1
Answer:
Bridges-in-Mathematics-Grade-4-Home-Connections-Unit-4-Module-1-Answer-Key-1

Question 2.
Write each number in words.
ex: 17,329 = seventeen thousand, three hundred twenty-nine

a. 33,072 = ___________________
Answer:
We can write 33,072 in word form as thirty three thousand and seventy two.

b. 86,105 = ___________________
Answer:
We can write 86,105 in word form as eighty six thousand one hundred and five.

c. 74,629 = ___________________
Answer:
We can write 74,629 as seventy four thousand six hundred and twenty nine.

Question 3.
CHALLENGE Write an even number that has a 7 in the hundreds place, has an odd number in the thousands place, and is a multiple of 10.
Answer: 1700
1(odd in 1000’s)
0 is even
0 is even
1700 ÷ 10 = 170
that means it is divisible by 10.

Solve the problems below. Show all your work.

Question 4.
Felipe s family is driving to see his grandmother. Altogether, they have to drive 856 miles. If they have gone 269 miles so far, how much farther do they have to drive?
Bridges in Mathematics Grade 4 Home Connections Unit 4 Module 1 Answer Key 2
Answer:
Given,
Felipe s family is driving to see his grandmother. Altogether, they have to drive 856 miles.
If they have gone 269 miles so far
to drive = total distance – travelled
= 856 – 269 = 587 miles

Question 5.
In our classroom library, we had 326 books. We gave 38 books to the other fourth grade classroom, but our teacher got 97 more books for our classroom library. How many books do we have in our classroom library now?
Bridges in Mathematics Grade 4 Home Connections Unit 4 Module 1 Answer Key 3
Answer:
Given,
In our classroom library, we had 326 books. We gave 38 books to the other fourth grade classroom, but our teacher got 97 more books for our classroom library.
326 – 38 + 97
= 288 + 97
= 385
We have 385 books in our classroom library now.

Question 6.
CHALLENGE At the school fair, students were guessing how many jellybeans were in a jar. Nicky guessed there were 296 jellybeans. Caitlyn guessed there were 435 jellybeans. Samira guessed a number that was 52 more than Nicky and Caitlyn’s put together. What was Samira’s guess?
Bridges in Mathematics Grade 4 Home Connections Unit 4 Module 1 Answer Key 4
Answer:
Given,
At the school fair, students were guessing how many jellybeans were in a jar.
Nicky guessed there were 296 jellybeans.
Caitlyn guessed there were 435 jellybeans.
Samira guessed a number that was 52 more than Nicky and Caitlyn’s put together.
= 52 + 296 + 435
= 348 + 435
= 783

Bridges in Mathematics Grade 4 Home Connections Unit 4 Module 1 Session 4 Answer Key

Big Numbers

Question 1.
Each weekend, Dylan and his dad go fishing. Dylan checks the odometer reading before each trip and records it in their mileage book. (An odometer is an instrument on the dashboard of a car that tells how far you’ve driven in all.) Put these readings in the order that they would appear in the book, from least to greatest. The first one has been done for you.
93,102
90,089
89,776
91,438
95,004
99,173
91,204
Bridges in Mathematics Grade 4 Home Connections Unit 4 Module 1 Answer Key 5
Answer:
The numbers from least to greatest are 89,776, 90,089, 91,204, 91,438, 93102, 95,004 and 99,173.
Bridges-in-Mathematics-Grade-4-Home-Connections-Unit-4-Module-1-Answer-Key-5

Question 2.
Look at the following numbers. Circle the number that is the closest to 60,034.
60,000
60,100
60,200
60,300
Answer:
Bridges-in-Mathematics-Grade-4-Home-Connections-Unit-4-Module-1-Answer-Key-2
The number that is closest to 60,034 is 60,000.

Question 3.
Circle the number closest to 194,321.
190,000
191,000
192,000
193,000
194,000
195,000
196,000
Answer:
The number closest to 194,321 is 194,000.
Bridges-in-Mathematics-Grade-4-Home-Connections-Unit-4-Module-1-Answer-Key-3

Question 4.
Circle the number closest to 233,904.
230,000
231,000
232,000
233,000
234,000
235,000
135,000
Answer:
The number closest to 233,904 is 234,000.
Bridges-in-Mathematics-Grade-4-Home-Connections-Unit-4-Module-1-Answer-Key-4

Question 5.
Circle the number closest to 234,900,032.
232,000,000
233,000,000
234,000,000
235,000,000
Answer:
The number closest to 234,900,032 is 235,000,000
Bridges-in-Mathematics-Grade-4-Home-Connections-Unit-4-Module-1-Answer-Key-5

Question 6.
Round each of the numbers below to the nearest hundred. Use the number line to help if you like. (Hint: Look at the number in the tens place.)
Bridges in Mathematics Grade 4 Home Connections Unit 4 Module 1 Answer Key 6
567 rounds to _______________
717 rounds to _______________
889 rounds to _______________
450 rounds to _______________
649 rounds to _______________
905 rounds to _______________
Answer:
567 rounds to 600
717 rounds to 700
889 rounds to 900
450 rounds to 500
649 rounds to 600
905 rounds to 900

Question 7.
Round each of the numbers below to the nearest 1,000. Use the number line to help if you like. (Hint: Look at the number in the hundreds place.)
Bridges in Mathematics Grade 4 Home Connections Unit 4 Module 1 Answer Key 7
4,903 rounds to _______________
5,099 rounds to _______________
9,499 rounds to _______________
7,500 rounds to _______________
8,750 rounds to _______________
6,138 rounds to _______________
Answer:
4,903 rounds to 5000
5,099 rounds to 5000
9,499 rounds to 9000
7,500 rounds to 8000
8,750 rounds to 9000
6,138 rounds to 6000

Question 8.
Amanda is sure she got a high score on a video game, but she’s not sure what the number is.
a. Please write it down for her using base-ten numbers. She scored nine hundred forty-three million, two hundred sixty-one thousand, five hundred eighty-six.
Answer:
She scored nine hundred forty-three million, two hundred sixty-one thousand, five hundred eighty-six = 943,261,586
943 × 106

b. Caleb is positive he beat Amanda’s score. His score was 925,298,199. Who got the higher score? How do you know?
Answer:
Given,
Caleb is positive he beat Amanda’s score. His score was 925,298,199.
Amanda score 943,261,586
943,261,586 is greater than 925,298,199
So, Amanda score higher than Caleb.

Bridges in Mathematics Grade 4 Home Connections Unit 4 Module 1 Session 6 Answer Key

Addition Algorithm & More

Question 1.
Solve the problems below using the standard algorithm for addition.
Bridges in Mathematics Grade 4 Home Connections Unit 4 Module 1 Answer Key 8
Answer:
Bridges-in-Mathematics-Grade-4-Home-Connections-Unit-4-Module-1-Answer-Key-8
By adding 157 and 188 we get 345.
By adding 252 and 679 we get 931.
By adding 399 and 411 we get 810.
By adding 676 and 297 we get 973.

Question 2.
Alonzo used the standard algorithm to solve the problem below.
Bridges in Mathematics Grade 4 Home Connections Unit 4 Module 1 Answer Key 9
a. Did Alonzo use the algorithm correctly? Explain your answer.
Answer: No, he carried ones place to the tens place instead of carrying tens place to the tens place.

b. How would you solve 176 + 258? Show your work.
Answer:
Bridges-in-Mathematics-Grade-4-Home-Connections-Unit-4-Module-1-Answer-Key-9
By adding 176 and 258 we get 434.

Question 3.
Patricia used the standard algorithm to solve the problem below.
Bridges in Mathematics Grade 4 Home Connections Unit 4 Module 1 Answer Key 10
a. Did Patricia use the algorithm correctly? Explain your answer.
Answer:
No, he carried ones place to the tens place instead of carrying tens place to the tens place.

b. How would you solve 384 + 559? Show your work.
Answer:
Bridges-in-Mathematics-Grade-4-Home-Connections-Unit-4-Module-1-Answer-Key-10
By adding 384 and 559 we get 943.

Review

Question 4.
Fill in the blanks in the multiple wheel below.
Bridges in Mathematics Grade 4 Home Connections Unit 4 Module 1 Answer Key 11
Answer:
7 × 40 = 280
7 × 4 = 28
18 × 7 = 126
8 × 7 = 56
16 × 7 = 112
10 × 7 = 70
60 × 7 = 420
6 × 7 = 42
Bridges-in-Mathematics-Grade-4-Home-Connections-Unit-4-Module-1-Answer-Key-11

Question 5.
Fill in the blanks in the equations below.
5 × 20 = 5 × 2 × _______________
12 × 30 = 12 × ___________ × 10
8 × ____________ = 8 × 6 × 10
Answer:
5 × 20 = 5 × 2 × 10
12 × 30 = 12 × 3 × 10
8 × 60 = 8 × 6 × 10

Question 6.
Simon wants to add 3 numbers that total 1,000. He starts with these numbers: 567 and 354.
a. What is the sum of Simon’s first two addends? Show your work.
Answer:
Simon wants to add 3 numbers that total 1,000.
He starts with these numbers: 567 and 354.
567
+354
921
The sum of Simon’s first two addends is 921.

b. What number does Simon need to reach 1,000? Show your work.
Answer:
100 – 921 = 79
So, Simon need 79 to reach 1000.

Question 7.
CHALLENGE Isabella babysits so she can earn money for a new snowboard. She charges $6.75 an hour. In April, Isabella babysat for 10 hours on one weekend, 12 hours another weekend, and 20 hours during another weekend. How much money did Isabella earn babysitting in April?
Answer:
Given,
Isabella babysits so she can earn money for a new snowboard. She charges $6.75 an hour. In April, Isabella babysat for 10 hours on one weekend,
6.75 × 10 = $67.50
12 hours another weekend, and
6.75 × 12 = $81.00
20 hours during another weekend.
6.75 × 20 = $135.00
$67.50 + $81 + $135 = $283.50

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