Question 1
1 markA machine in a factory produces \( 420 \) parts every hour. It runs for \( 8 \) hours. If \( 1560 \) parts are found to be defective and are discarded, how many good parts are left?
Primary School · Mathematics
Four arithmetic operations (Multiple digits): Practice Questions
5 multiple-choice questions marked as you go, and 5 written questions with worked solutions. All on Four arithmetic operations (Multiple digits).
10 questions23 marksFree, no account
Question 2
1 markA factory produced $$1500$$ toy cars in January. In February, they produced $$1/3$$ more than in January. In March, they produced $$200$$ fewer toy cars than in February. How many toy cars were produced in total over the three months?
Question 3
1 markA baker made $$240$$ cookies. He put $$6$$ cookies in each small box and sold $$25$$ small boxes. He then put the remaining cookies into large boxes, with $$10$$ cookies in each large box. How many large boxes did he fill?
Question 4
1 markA theater has \( 24 \) rows of seats, with \( 50 \) seats in each row. For a certain show, \( 850 \) tickets were sold in advance. Later, \( 15 \) groups of \( 12 \) people each arrived and bought tickets at the door. How many seats are still empty?
Question 5
1 markA library received a shipment of \( 840 \) new books. These books are placed on shelves that hold \( 24 \) books each. If there were already \( 55 \) full shelves of books in the library, how many full shelves are there in total now?
Question 6
2 marksA stadium has 15,000 seats. If there are 75 rows with an equal number of seats in each row, how many seats are in each row?
Write your answer out first, then check it against the worked solution.
Question 7
4 marksA baker made $$ 576 $$ cookies. He packed them into boxes, with each box holding $$ 18 $$ cookies. If he sold $$ 25 $$ boxes, how many cookies are left?
Write your answer out first, then check it against the worked solution.
Question 8
5 marksA farmer produces 15,600 liters of milk. He fills 450 containers that hold 25 liters each. The remaining milk is put into 10-liter jugs. How many 10-liter jugs does he need?
Write your answer out first, then check it against the worked solution.
Question 9
3 marksA school collected $$285$$ old books in the first week and $$367$$ old books in the second week. Then, they donated $$150$$ books to a local orphanage. How many books does the school have left?
Write your answer out first, then check it against the worked solution.
Question 10
4 marksA cinema has $$35$$ rows of seats. Each row has $$28$$ seats. For a special event, they added $$120$$ extra seats. If tickets were sold to $$1050$$ people, how many seats remained empty?
Write your answer out first, then check it against the worked solution.
* The content provided by thinka is generated by AI and may not always be accurate or up-to-date. Please use it as a supplementary resource and verify with official materials.
You've seen the model answer. Now get yours marked.
This page can show you how a good answer looks. It cannot tell you what your answer was missing. thinka marks your written work against the real mark scheme in about 15 seconds.
Want more questions like these? Get a fresh set on this topic, marked as you go.
Practise More