1.
Sarah had 15 apples and gave 4 to her friend. How many apples does she have left?
Correct Answer
B. 11
Explanation
Sarah initially possessed 15 apples. When she decided to give 4 apples to her friend, the total number of apples she gave away is subtracted from her initial count. Therefore, the calculation is 15 (initial apples) - 4 (given apples) = 11 apples. This shows Sarah has 11 apples remaining.
2.
John had 25 marbles and lost 7. How many marbles does he have now?
Correct Answer
A. 18
Explanation
John began with 25 marbles. Unfortunately, he lost 7 of them. To find out how many marbles he has left, we subtract the number of lost marbles from his original total. Hence, the calculation is 25 (initial marbles) - 7 (lost marbles) = 18 marbles. John now has 18 marbles.
3.
A baker made 40 cookies and sold 22. How many cookies are left?
Correct Answer
D. 18
Explanation
The baker initially baked 40 cookies. After selling 22 cookies, we need to determine the remaining amount. This involves subtracting the number of sold cookies from the total made. Thus, the calculation is 40 (baked cookies) - 22 (sold cookies) = 18 cookies. The baker has 18 cookies left.
4.
Emily read 30 pages of a book and has 12 pages left to read. How many pages are in the book?
Correct Answer
B. 42
Explanation
Emily has completed reading 30 pages of her book and still needs to read 12 more pages. To find the total number of pages in the book, we add the pages she has read to the pages she has left to read. Therefore, the calculation is 30 (read pages) + 12 (pages left) = 42 pages. The book contains 42 pages in total.
5.
There were 50 chairs in a hall. 15 chairs were taken away. How many chairs remain?
Correct Answer
A. 35
Explanation
The hall originally had 50 chairs. When 15 chairs were taken away, the remaining number of chairs can be found by subtracting the number of removed chairs from the initial total. So, the calculation is 50 (initial chairs) - 15 (removed chairs) = 35 chairs. Thus, 35 chairs remain in the hall.
6.
Mike had 60 candies and gave 25 to his friends. How many candies does he have left?
Correct Answer
B. 35
Explanation
Mike started with a total of 60 candies. After giving 25 candies to his friends, we find the remaining number of candies by subtracting the given amount from the initial total. Therefore, the calculation is 60 (initial candies) - 25 (given candies) = 35 candies. Mike now has 35 candies left.
7.
A farmer had 100 cows. He sold 45 of them. How many cows does he have now?
Correct Answer
C. 55
Explanation
The farmer originally had 100 cows. After selling 45 cows, the number of cows remaining is found by subtracting the sold cows from the initial number. Thus, the calculation is 100 (initial cows) - 45 (sold cows) = 55 cows. The farmer now has 55 cows.
8.
Lucy bought 80 flowers and used 30 to make a bouquet. How many flowers are left?
Correct Answer
A. 50
Explanation
Lucy initially bought 80 flowers. After using 30 flowers to make a bouquet, the remaining number of flowers is determined by subtracting the used flowers from the total bought. Therefore, the calculation is 80 (initial flowers) - 30 (used flowers) = 50 flowers. Lucy has 50 flowers left.
9.
There were 90 students in a class. 25 students left early. How many students are still there?
Correct Answer
C. 65
Explanation
Initially, there were 90 students in the class. When 25 students left early, we subtract this number from the total number of students to find out how many are still there. Thus, the calculation is 90 (initial students) - 25 (students who left) = 65 students. Therefore, 65 students are still in the class.
10.
A shop had 120 items in stock and sold 45 items. How many items are remaining in stock?
Correct Answer
A. 75
Explanation
The shop originally had 120 items in stock. After selling 45 items, we find the remaining items by subtracting the sold items from the initial stock. Therefore, the calculation is 120 (initial stock) - 45 (sold items) = 75 items. The shop has 75 items remaining in stock.
11.
Tom had 150 stickers and gave 55 to his brother. How many stickers does he have now?
Correct Answer
D. 95
Explanation
Tom started with 150 stickers. After giving 55 stickers to his brother, the remaining number of stickers is calculated by subtracting the given stickers from the initial total. Hence, the calculation is 150 (initial stickers) - 55 (given stickers) = 95 stickers. Tom now has 95 stickers left.
12.
A library had 200 books. 70 books were borrowed. How many books are left in the library?
Correct Answer
A. 130
Explanation
The library originally had 200 books. After 70 books were borrowed, the number of books left in the library is found by subtracting the borrowed books from the initial total. Therefore, the calculation is 200 (initial books) - 70 (borrowed books) = 130 books. The library has 130 books left.
13.
Jane had 180 pencils and lost 65. How many pencils does she have now?
Correct Answer
A. 115
Explanation
Jane started with 180 pencils. After losing 65 pencils, the remaining number of pencils is determined by subtracting the lost pencils from the initial total. Hence, the calculation is 180 (initial pencils) - 65 (lost pencils) = 115 pencils. Jane now has 115 pencils left.
14.
There were 250 seats in a theater. 90 seats were occupied. How many seats are empty?
Correct Answer
A. 160
Explanation
The theater had 250 seats initially. After 90 seats were occupied, the number of empty seats is calculated by subtracting the occupied seats from the total number of seats. Therefore, the calculation is 250 (total seats) - 90 (occupied seats) = 160 seats. There are 160 empty seats in the theater.
15.
A box contained 300 candies. 125 candies were eaten. How many candies are left in the box?
Correct Answer
A. 175
Explanation
The box initially contained 300 candies. After 125 candies were eaten, the remaining number of candies is determined by subtracting the eaten candies from the initial total. Thus, the calculation is 300 (initial candies) - 125 (eaten candies) = 175 candies. There are 175 candies left in the box.