Practice the problems of Math in Focus Grade 3 Workbook Answer Key Mid Year Review to score better marks in the exam.
Math in Focus Grade 3 Mid Year Review Answer Key
Mid-Year Review
Test Prep Multiple Choice
Fill in the circle next to the correct answer.
Question 1.
In the number 6,592, the digit 5 is in the ___ place. (Lesson 1.2)
(A) ones
(B) hundreds
(C) tens
(D) thousands
Answer: B
Explanation:
5 is in hundreds place
Each of these numerals has a different place value.
From left to right they are: thousands, hundreds, tens and ones.
Question 2.
Which number is 1,000 more than 1,629? (Lesson 1.3)
(A) 629
(B) 1,619
(C) 1,729
(D) 2,629
Answer: D
Explanation:
1000 + 1629 = 2629
Each of these numerals has a different place value.
From left to right they are: thousands, hundreds, tens and ones.
Question 3.
Estimate the sum of 342 and 525. Use front-end estimation. (Lesson 2.5)
(A) 300 + 500 = 800
(B) 300 + 530 = 830
(C) 340 + 500 = 840
(D) 340 + 530 = 870
Answer: A
Explanation:
300 + 500 = 800
Front-end estimation is a particular way of rounding numbers to estimate sums and differences. To use front- end estimation, add or subtract only the numbers in the greatest place value.
Question 4.
Estimate the difference between 828 and 535. Use rounding to the nearest hundred. (Lesson 2.4)
(A) 900 – 500 = 400
(B) 800 – 500 = 300
(C) 900 – 600 = 300
(D) 800 – 600 = 200
Answer: B
Explanation:
the difference between 828 and 535.
800 – 500 = 300
By rounding to the nearest hundred
Question 5.
0 × 9 = ____ (Lesson 6.1)
(A) 0
(B) 9
(C) 90
(D) 900
Answer: A
Explanation:
If a number is multiplied with 0 the product will be 0
Question 6.
To find the answer to 38 + 48, You can add 50 to ____ (Lesson 2.1)
(A) 38, then add 2
(B) 38, then subtract 2
(C) 48, then add 2
(D) 48, then subtract 2
Answer: B
Explanation:
To find the answer to 38 + 48, You can add 50 to 38 and subtract 2
38 + 50 – 2 = 86
Question 7.
What is the missing digit? (Lesson 3.3)
(A) 1
(B) 2
(C) 5
(D) 9
Answer: D
Explanation:
5329 + 3694 = 9023
The missing digit is 9
Question 8.
There are four numbers on a whiteboard:
1,390, 1,125, 1,580, and 1,625.
The difference between two of the numbers is 235. What are the two numbers? (Lesson 4.3)
(A) 1,580 and 1,390
(B) 1,625 and 1,390
(C) 1,390 and 1,125
(D) 1,580 and 1,125
Answer: B
Explanation:
the two numbers are 1,625 and 1,390
1,625 and 1,390 = 235
Question 9.
How many numbers between 31 and 50 can be divided by 6 with no remainder? (Lesson 8.4)
(A) 1
(B) 2
(C) 3
(D) 4
Answer: C
Explanation:
the numbers between 31 and 50 = 18
18 ÷ 6 = 3
Question 10.
Add 4,786 and 1,078. (Lesson 3.3)
(A) 3,708
(B) 3,808
(C) 5,764
(D) 5,864
Answer: D
Explanation:
4,786 and 1,078. = 5864
Question 11.
Subtract 1,786 from 3,000. (Lesson 4.3)
(A) 1,204
(B) 1,214
(C) 2,786
(D) 4,786
Answer: B
Explanation:
The difference between 3000 – 1786 = 1214
Question 12.
215 × 4 = ___ (Lesson 7.3)
(A) 172
(B) 211
(C) 219
(D) 860
Answer: D
Explanation:
215 × 4 = 860
The product of 215 and 4 = 860
Question 13.
Which of the following is the same as 5 × 9? (Lesson 6.5)
(A) 9 + 5
(B) 5 + 5 + 9 + 9
(C) 5 + 5 + 5 + 5 + 5
(D) 9 + 9 + 9 + 9 + 9
Answer: D
Explanation:
5 x 9 = 9 + 9 + 9 + 9 + 9 = 45
5 x 9 = 9 + 9 + 9 + 9 + 9 are same.
Question 14.
Drew has 87 pebbles. He divides the pebbles equally into 3 bags. How many pebbles does he have in each bag? (Lesson 8.5)
(A) 29
(B) 84
(C) 90
(D) 261
Answer: A
Explanation:
Drew has 87 pebbles. He divides the pebbles equally into 3 bags.
87 ÷ 3 = 29
29 pebbles that he have in each bag
Question 15.
The sum of two numbers is 100. The difference between the two numbers is 26. What is the number that is less? (Lesson 5.1)
(A) 13
(B) 24
(C) 37
(D) 63
Answer: B
Explanation:
The sum of two numbers is 100
The difference between the two numbers is 26.
50 + 50 = 100
50 – 26 = 24
Short Answer
Read the questions carefully.
Write each answer in the space provided.
Question 16.
Write three thousand, fourteen in standard form. (Lesson 1.1)
_________
Answer:
3014
Explanation:
three thousand, fourteen in standard form is 3014
Question 17.
What is the value of the digit 5 in the number 5,631? (Lesson 1.2)
_________
Answer:
Thousand is the value of the digit 5 in the number 5,631
Explanation:
Each of these numerals has a different place value.
From left to right they are: thousands, hundreds, tens and ones.
Question 18.
Use the digits below to make three 3-digit odd numbers and three 3-digit even numbers. Do not repeat the same digits in a number. (Lesson 8.3)
Answer:
Explanation:
three 3-digit odd numbers = 139
and three 3-digit even numbers = 824
The numbers are not repeated
Question 19.
Add 1,850 + 59. (Lesson 3.2)
_________
Answer:
1909
Explanation:
The sum of 1850 + 59 = 1909
Question 20.
70 × 4 = ? (Lesson 17.1)
_________
Answer:
280
Explanation:
70 × 4 = 280
The product of 70 and 4 = 280
Question 21.
In 59 ÷ 2, the quotient is ___, and the remainder is ___ (Lesson 8.2)
Answer:
In 59 ÷ 2, the quotient is 29.5, and the remainder is 0
Explanation:
Question 22.
Shaun takes 300 photographs at the zoo. Sheena takes twice as many photographs as Shaun. How many photographs do they take in all? (Lesson 9.1)
____ photos
Answer:
900 photos
Explanation:
Shaun takes 300 photographs at the zoo.
Sheena takes twice as many photographs as Shaun.
300 x 2 = 600
600 + 300 = 900
900 photographs that they take in all
Question 23.
Shannon has 78 animal stickers. She has three times as many animal stickers as her brother, Ryan. How many animal stickers does Ryan have? (Lesson 9.3)
____ paperclips
Answer:
312 paperclips
Explanation:
Shannon has 78 animal stickers.
She has three times as many animal stickers as her brother, Ryan.
78 x 3 = 234
234 + 78 = 312
312 animal stickers that Ryan have
Question 24.
The sum of two numbers is 1,500. The difference between these two numbers is 300. Find these two numbers from the numbers provided. (Lessons 3.2 and 4.1)
1,200 600 300 700 800 900
__________
Answer:
900 + 600 = 1500
900 – 600 = 300
Explanation:
The sum of two numbers is 1,500.
The difference between these two numbers is 300.
two numbers from the numbers provided are 900 and 600
Question 25.
Caroline packs some glue sticks into 8 bags. She has 12 glue sticks left over. If there are 25 glue sticks in each bag, how many glue sticks did she have at first? (Lessons 7.3 and 3.1)
___________
Answer:
212 Glue sticks at first.
Explanation:
Caroline packs some glue sticks into 8 bags.
If there are 25 glue sticks in each bag,
25 x 8 = 200
total 200 bags
200 + 12 = 212 Glue sticks
Question 26.
What is the product of 1 × 7 × 2?
Use the number lines to help you. (Lessons 6.1 and 6.2)
1 × 7 × 2 = 1 × ____
= ______
1 × 7 × 2 = ___ × 2
= ______
So, 1 × ___ = ___ × 2
= _____
Answer:
So, 1 × 14 = 7 × 2
= 14
Explanation:
1 × 7 × 2 = 1 × 14
= 14
1 × 7 × 2 = 7 × 2
= 14
Question 27.
Find the sum of 938 and 8,163. (Lesson 3.3) 28. Find the difference between 6,215 and 8,356. (Lesson 4.3)
___________
Answer:
9101 , 2141
Explanation:
938 + 8,163 = 9101
the sum of 938 and 8,163 = 9101
6125 – 8356 = 2141
the difference between 6,215 and 8,356 = 2141
Question 29.
Find the product of 154 and 4. (Lesson 7.3)
_________
Answer:
616
Explanation:
The product of 154 and 4 is 616
Question 30.
Use the digits below to form two 2-digit numbers. Each number has a remainder of 1 when divided by 4. (Lesson 8.2)
1 3 7 9
__________
Answer:
17
Explanation:
The two digit number selected is 17
17 ÷ 4 = 4
and remainder = 1
4 x 4 = 16
17 – 16 = 1
Question 31.
Find the difference between 45 ÷ 5 and 5 × 7. (Lessons 4.3, 6.3, and 7.1)
___________
Answer:
26
Explanation:
45 ÷ 5 = 9
5 × 7 = 35
The difference between 45 ÷ 5 and 5 × 7
35 – 9 = 26
Question 32.
Use the model. How many stamps does Alex have? (Lesson 5.1)
_____ stamps
Answer:
29 + 21 = 50
29 stamps
Explanation:
Alex and Jim has 100 stamps in all
Jim has 50 stamps
As the stamps are divided equally among Jim and Alex
both have 50 and 50
50 – 21 = 29
Question 33.
A craft store sells 1,1 24 fewer pieces of red art paper than blue art paper. It sells 2,317 pieces of red art paper. How many pieces of red and blue art paper does the craft store sell? (Lessons 3.3 and 4.3)
_____ pieces
Answer:
3510 pieces
Explanation:
A craft store sells 1,1 24 fewer pieces of red art paper than blue art paper.
It sells 2,317 pieces of red art paper.
2317 – 1124 = 1193
2317 + 1193 = 3510
3510 pieces of red and blue art paper that the craft store sell
Question 34.
Ngu walks 250 feet. She walks 65 feet more than Pauline. How far does Pauline walk? (Lesson 4.3)
____ feet
Answer:
315 feet
Explanation:
Ngu walks 250 feet.
She walks 65 feet more than Pauline.
250 +65 = 315
315 feet far that Pauline walk
Question 35.
Oomi makes 4 necklaces. She uses 156 beads for each necklace. How many beads does she use in all? (Lesson 7.3)
____ beads
Answer:
624 beads
Explanation:
Oomi makes 4 necklaces. She uses 156 beads for each necklace.
156 x 4 = 624
624 beads that she use in all
Extended Response
Solve. Show your work.
Question 36.
Jolene has 600 wooden beads. She has 285 fewer glass beads than wooden beads.
a. How many glass beads does Jolene have?
Answer:
315 glass beads
Explanation:
The total of wooden beads and glass beads = 600 + 600 = 1200
Jolene have 600 – 285 = 315
315 glass beads that Jolene have
b. How many wooden beads does she have if she uses 150 of them to make necklaces?
Answer:
600 – 150 = 450
Explanation:
450 wooden beads that she have if she uses 150 of them to make necklaces
Question 37.
Company A gets 3,700 hits on their website. Company B gets 450 fewer hits than Company A.
a. How many hits does Company B get?
Answer:
3700 – 450 = 3250
3250 hits that Company B get
b. How many hits do both companies get in all?
Answer:
3700 + 3250 = 6950
6950 hits that both the companies get in all
Question 38.
Noah swims 80 laps in 5 days. He swims the same number of laps every day.
a. How many laps does he swim in a day?
Answer:
80 ÷ 5 = 16
16 laps that he swim in a day
b. How many laps does he swim in 4 days?
Answer:
16 x 4 = 64
64 laps that he swim in 4 days
Question 39.
Jose has 88 stickers. He puts 4 stickers on each bookmark. He gives all his bookmarks away to his friends. Each friend receives 2 bookmarks.
a. How many bookmarks does he put stickers on?
Answer:
Jose has 88 stickers. He puts 4 stickers on each bookmark.
88 ÷ 4 = 22
He gives all his bookmarks away to his friends. Each friend receives 2 bookmarks.
22 ÷ 2 = 11
22 bookmarks that he put stickers on
b. How many friends does he have?
Answer:
22 ÷ 2 = 11
11 friends that he have
Question 40.
A factory delivers 5 containers of pottery to a store. Each container has 1 62 pieces of pottery. The store owner discovers 24 pieces of pottery are broken. How many pieces of pottery are not broken?
Answer:
786 pieces
Explanation:
A factory delivers 5 containers of pottery to a store.
Each container has 1 62 pieces of pottery.
162 x 5 = 810
The store owner discovers 24 pieces of pottery are broken.
810 -24 = 786
786 pieces of pottery are not broken