ABHYAS · CLASS 4 STUDENTS (CBSE AND STATE BOARDS) AND PARENTS HELPING AT HOME
Class 4 Maths कक्षा 4 गणित
Unlimited Class 4 maths practice: place value to 99,999, rounding, Roman numerals, multiplying by 2-digit numbers, long division, factors and multiples, equivalent fractions, fractions of amounts, bills, km–m and kg–g conversions, the 24-hour clock, area and perimeter, and bar graphs, with hints and worked steps.
Numbers
- Place value up to ten thousandsIn the Indian system we put a comma after the thousands: 45,382. The place of a digit decides its value.
- Round off to the nearest 10, 100 or 1000Look at the digit to the right of the rounding place: 5 or more → round up; less than 5 → round down.
- Roman numerals (I to XXXIX)I = 1, V = 5, X = 10. A smaller symbol before a bigger one is subtracted (IV = 4, IX = 9); after it, added (VI = 6).
- Factors and multiplesA factor divides a number exactly. A multiple is the number times 1, 2, 3, …