Mathematics Q&A for Class 4
23 free answers in Mathematics for Class 4 students, across CBSE, ICSE and State boards.
Question & Answer
Questions
- MathematicsClass 4CBSE
What is 2/3 of 12 apples?
Two-thirds of 12 apples equals 8 apples. Detailed Explanation: Calculation: 2/3 × 12 = (2 × 12) ÷ 3 = 24 ÷ 3 = 8 apples Step-by-Step Visual Method: Total apples: 12 Divide into thirds: 12 ÷ 3 = 4 apples per third First third: 4 apples Second third: 4 apples Third third: 4 apples
- MathematicsClass 4CBSE
What does 12 1/2 equal to?
12 1/2 (twelve and one-half) equals 12.5 in decimal form, or 25/2 as an improper fraction. Detailed Explanation: Different Representations: As a Mixed Number: 12 1/2 12 whole units Plus 1/2 of another unit As a Decimal: 12.5 12 + 0.5 = 12.5 As an Improper Fraction: 25/2 Conversion: (12 × 2) + 1 = 24 + 1 = 25
- MathematicsClass 4CBSE
How to solve 2/3 of 100?
To solve 2/3 of 100, multiply 100 by 2/3, which equals approximately 66.67 (or 66⅔ exactly). Detailed Explanation: Solution Methods: Method 1 - Multiply First: 2/3 × 100 = (2 × 100) ÷ 3 = 200 ÷ 3 = 66.666... or 66⅔ Method 2 - Divide First: Find 1/3 of 100: 100 ÷ 3 = 33.333... Multiply by 2: 33.333... ×
- MathematicsClass 4CBSE
What is 1 over 2 called?
1/2 is called "one-half" (sometimes written as "one over two" in casual speech). Detailed Explanation: Official Names: Standard name: "One-half" Fraction reading: "One over two" Mathematical term: Unit fraction (numerator is 1) Mathematical Classifications: Type: Proper fraction, unit fraction <s
- MathematicsClass 4CBSE
What is the 2 third of 12?
Two-thirds of 12 equals 8. Detailed Explanation: Calculation Method: "Two-thirds of 12" means 2/3 × 12 Step-by-Step Solution: Method 1 - Multiply then divide: 2/3 × 12 = (2 × 12) ÷ 3 = 24 ÷ 3 = 8 Method 2 - Divide then multiply: Find one-third first: 12 ÷ 3 = 4
- MathematicsClass 4CBSE
Is 0.75 and 3/4 the same?
Yes, 0.75 and 3/4 are exactly the same value; they are simply different ways of representing three-quarters. Detailed Explanation: Proof They're Equal: Fraction to Decimal: 3 ÷ 4 = 0.75 Decimal to Fraction: 0.75 = 75/100 = 3/4 (simplified) Both equal 75% Different Representations, Same Value: Repres
- MathematicsClass 4CBSE
What is 2/3rd called?
2/3 is called "two-thirds" when spoken (the "rd" in "3rd" refers to ordinal notation, but in fraction form it's simply "two-thirds"). Detailed Explanation: Proper Names: Spoken: "Two-thirds" Written fraction: 2/3 Ordinal reference: "Two-thirds" (not "two-threeth") Mathematical Classifications: Type: Prope
- MathematicsClass 4CBSE
What is a common fraction?
A common fraction (also called a vulgar fraction or simple fraction) is a fraction written as two integers separated by a line, with a numerator above and denominator below, like 3/4 or 5/8. Detailed Explanation: Definition: Common fractions are the standard fractional notation you learn in school, contrasting with decimal fractions (0.75) or percentages (75%). Characteristics: Written with whole numbers only
- MathematicsClass 4CBSE
What is 0.3 as a percent?
0.3 as a percent is 30% (thirty percent). Detailed Explanation: Conversion Method: To convert a decimal to a percent, multiply by 100 and add the % symbol: 0.3 × 100 = 30 Add % symbol = 30% Why This Works: Percent means "per hundred" 0.3 means 3 tenths or 3/10 3/10 = 30/100 = 30 per hundred = 30% Different Representations of the Same V
- MathematicsClass 4CBSE
What is 3/4 called?
3/4 is called "three-quarters" or "three-fourths" when spoken aloud. Detailed Explanation: Pronunciation: American English: "Three-fourths" (more common) British English: "Three-quarters" (more common) Both are correct and widely accepted Mathematical Classification: Type: Proper fraction (3 < 4) Value
- MathematicsClass 4CBSE
What are 5 proper fractions?
Five examples of proper fractions are 1/2, 3/4, 2/5, 5/8, and 7/10. Proper fractions have numerators smaller than their denominators, meaning they represent values less than one whole. Five Common Proper Fractions: 1/2 (one-half): 0.5 or 50% 3/4 (three-quarters): 0.75 or 75% 2/5 (two-fifths): 0.4 or 40% 5/8 (five-eighths): 0.625 or 62.5% 7
- MathematicsClass 4CBSE
What are the two main parts of a fraction?
The two main parts of a fraction are the numerator (top number) and the denominator (bottom number), separated by a fraction bar. Detailed Explanation: 1. Numerator (Top Number): Tells HOW MANY parts you have Counts the selected portions In 3/4: numerator is 3 (three parts) Can be any whole number 2. Denominator (Bottom Number): Tells INTO HOW MANY PARTS the whol
- MathematicsClass 4CBSE
What are the 4 types of common fractions?
The four most common types of fractions are proper fractions, improper fractions, mixed numbers, and equivalent fractions. 1. Proper Fractions: Numerator < denominator Example: 2/5, 3/8 Value less than 1 2. Improper Fractions: Numerator ≥ denominator Example: 7/4, 9/5 Value equal to or greater than 1 3. Mixed Numbers: Whole numb
- MathematicsClass 4CBSE
What is 1/3 called?
1/3 is called "one-third" when spoken, and it's classified as a unit fraction and a proper fraction. Names and Classifications: Spoken Name: "One-third" (not "one-threeth" or "one over three") Mathematical Classifications: Unit Fraction: Numerator is 1 Proper Fraction: Value less than 1 (approximately 0.333...) Common Fraction: Frequently us
- MathematicsClass 4CBSE
What are two types of fractions?
The two most fundamental types of fractions are proper fractions (numerator smaller than denominator) and improper fractions (numerator equal to or greater than denominator). 1. Proper Fractions: Numerator < Denominator Value is less than 1 Examples: 1/2, 3/4, 5/8, 7/10 Represents a part that's smaller than the whole 2. Improper Fractions: Numerator ≥ Denominator Value is
- MathematicsClass 4CBSE
What is fraction grade 4?
In grade 4 (typically ages 9-10), students learn to understand fractions as parts of a whole, compare fractions, add/subtract fractions with like denominators, and convert between fractions and mixed numbers. Detailed Explanation:Grade 4 Fraction Curriculum: Core Concepts Learned: Understanding Fractions: Visual representation (circles, bars, shapes divided into parts) Nume
- MathematicsClass 4CBSE
What is a fraction in mathematics?
A fraction is a mathematical expression representing a part of a whole, written as one number (numerator) divided by another number (denominator). Fractions are fundamental mathematical concepts that express division and partial quantities. Components of a Fraction: Numerator (top number): How many parts you have Fraction bar: Represents division Denominator (bottom number): Total
- MathematicsClass 4All
Quintal to KG
One quintal equals 100 kilograms. The quintal (symbol: q) is a unit of mass used in several countries, particularly in agriculture and trade for measuring crops, produce, and bulk commodities. The term derives from Latin "centum" (hundred), with "quintal" reflecting its value as a hundredweight. In the metric system, the conversion is straightforward: 1 quintal = 100 kg, making calculations simple since it's based on base-10 system. The quintal is commonly used in: agriculture (crop y
- MathematicsClass 4All
How Many Inches in 1 Feet
One foot equals 12 inches. This is a fundamental conversion in the imperial or US customary measurement system, where the foot and inch are standard units for measuring length and distance. The relationship is defined: 1 foot (ft) = 12 inches (in), making inches one-twelfth of a foot. Understanding this conversion is essential for working with measurements in countries using imperial units (primarily the United States) and for converting between metric and imperial systems. The conver
- MathematicsClass 4All
How Many Zeros in Crore
One crore contains seven zeros, written as 1,00,00,000 in Indian notation or 10,000,000 in international notation. The Indian numbering system places commas differently than the international system: after the first three digits (hundreds place), commas appear every two digits (thousands, lakhs, crores), creating the distinctive notation 1,00,00,000 where the seven zeros are clearly visible. This question often arises in educational contexts or when people are learning the Indian numb