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Class 4 / Mental Maths (26 questions)
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by SATYAKI SAIN
· Class 4
69÷3×3÷1÷3
Mental Maths
Multiplication and Division
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by SATYAKI SAIN
· Class 4
93/3*3/1?3*3
Mental Maths
Multiplication and Division
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by JOSEPH PREM ZURISHADDAI RAJ
· Class 4
7 + 8 = (6 + 1) + 8 = 6 + (1 + 8) = 15. Changing the grouping of the numbers shows which property of addition?
Mental Maths
Addition and Subtraction
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people 2 answers
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by KRITARTH AGARWAL
· Class 4
A student has 100 chocolates. He gives ¼ of them to his friends and ½ of them to his neighbours. What fraction of the chocolates did he give away?
Mental Maths
Fractions
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people 2 answers
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by JOSEPH PREM ZURISHADDAI RAJ
· Class 4
How many lines of symmetry does a circle have?
Mental Maths
Other
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people 3 answers
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by JOSEPH PREM ZURISHADDAI RAJ
· Class 4
Write in figures: nine lakh thirty-eight thousand eight hundred thirty-four.
Mental Maths
Number and Number Names
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people 3 answers
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by JOSEPH PREM ZURISHADDAI RAJ
· Class 4
Mina bought 550 grams of rice. Ryan bought twice as much. How much rice did Ryan buy?
Mental Maths
Measurement
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people 2 answers
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by JOSEPH PREM ZURISHADDAI RAJ
· Class 4
What is 3 × 99?
Mental Maths
Multiplication and Division
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people 3 answers
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by JOSEPH PREM ZURISHADDAI RAJ
· Class 4
What is 9,90,662 - 800?
Mental Maths
Addition and Subtraction
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people 4 answers
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by JOSEPH PREM ZURISHADDAI RAJ
· Class 4
Which of these is the correct number name for 1,00,000?
Mental Maths
Number and Number Names
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people 2 answers
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by JOSEPH PREM ZURISHADDAI RAJ
· Class 4
Does 40 + 20 = 20 + 40 show the commutative property of addition?
Mental Maths
Addition and Subtraction
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by JOSEPH PREM ZURISHADDAI RAJ
· Class 4
What is 9,09,089 - 1,089?
Mental Maths
Addition and Subtraction
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people 2 answers
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by JOSEPH PREM ZURISHADDAI RAJ
· Class 4
If the diameter of a circle is 40 cm, what is its radius?
Mental Maths
Other
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people 1 answers
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by JOSEPH PREM ZURISHADDAI RAJ
· Class 4
What is the expanded form of 6,98,967
Mental Maths
Number and Number Names
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people 2 answers
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by JOSEPH PREM ZURISHADDAI RAJ
· Class 4
What is 9,10,000 - 10,000?
Mental Maths
Addition and Subtraction
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people 1 answers
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by JOSEPH PREM ZURISHADDAI RAJ
· Class 4
Numbers can be written in the Indian or the International number system. Which system is used to write 999,080?
Mental Maths
Number and Number Names
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people 2 answers
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by JOSEPH PREM ZURISHADDAI RAJ
· Class 4
Rahul's pencil is 25 cm long and Riya's pencil is 25 cm 1 mm long. Whose pencil is longer?
Mental Maths
Measurement
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people 2 answers
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by JOSEPH PREM ZURISHADDAI RAJ
· Class 4
What is 2/12 in its simplest form?
Mental Maths
Multiplication and Division
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people 1 answers
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by JOSEPH PREM ZURISHADDAI RAJ
· Class 4
What is 3000 - 800?
Mental Maths
Addition and Subtraction
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people 2 answers
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by JOSEPH PREM ZURISHADDAI RAJ
· Class 4
What is 9999 - 777?
Mental Maths
Addition and Subtraction
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people 2 answers
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Frequently Asked Questions
What are the Class 4 Mental Maths questions on CREST Ask & Answer?
Multiple-choice questions that CREST students write for other Class 4 students, on topics such as Number and Number Names, Addition and Subtraction, Multiplication and Division. Anyone can answer them free; the student who wrote the question adds the correct option and an explanation.
How do Practice Points work?
Logged-in students earn +1 for answering a question, +3 for asking one, +1 each time someone answers their question and +1 for each upvote; they lose 1 for each downvote. The first five questions on a topic in a class earn a +5 Pioneer bonus. One point is worth a ₹1 discount on Additional Practice purchases. See the rules for asking and answering.
How else can I prepare for the Class 4 CMMO exam?
Student questions are good daily practice, but they are not an exam paper. For the real exam pattern, try the Class 4 sample paper and the Class 4 previous year paper, and check the CMMO syllabus.
What happens to a wrong or copied question?
Any logged-in student can press Report on a question. Questions that break the rules, such as wrong answers, copied pictures or keyboard mashing, are taken off and the points they earned are taken back.