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(27 ÷ 3) × 8 = 9 × 8 = 72
A number having 0 at one?s place is divisible by 2, 5 and 10.
120 ÷ 8 = 15
68 ÷ 4 = 17, 68 + 4 = 72, 68 × 4 = 272, 68 − 4 = 64 Here, 17 is the least.
Anupama divided 498 by 8 and obtained a quotient of 62 and remainder 2. For this problem, which of these checks will help Anupama to find out her mistakes?
In division problems, remainder should always be less than divisor.
0 × 18 = 0
0 ÷ 18 = 0
If we start subtracting 4 from 19 stepwise as shown, we will be able to subtract 4 times.
If we start subtracting 4 from 169 in a similar manner, how many times will we be able to subtract?
Ramya divides a 3digit number by 10. What can we say about the quotient?
The quotient is obtained by removing one?s digit
Ex: By removing one?s digit of 121 we get 12.
This is a seating arrangement for students in a classroom with each box showing one chair. Thy chairs which have a star mark are occupied.
Which of the following statement is true?
Number of empty chairs = Number of occupied chairs = 13
Observing
Raju has four plates of laddoos. He wants to put them equally in four plates. What should be the number of laddoos in each plate?
Total number of laddoos = 2 + 5 + 3 + 6 = 16
∴ Number of laddoos in each plate = 16/4 = 4
Share of each monkey = 21/3 = 7
36 + 1 = 36
There are few pencils in a box. Rahul took out those pencils from the box and put them in five groups of each 4. Three pencils were left in the box. How many pencils were there in the box?
Number of pencils he took out from the box = 5 × 4 = 20
Remaining pencils in the box = 3
∴ Total number of pencils in the box = 20 + 3 = 23
36 ÷ 3 = 12
A shopkeeper packed 360 biscuits in 12 boxes. What is the number of biscuits in each box?
Number of biscuits in each box = 360 ÷ 12 = 30
If this pattern continues, then what is the next number? 80, 40, 20, ? −−−−−−−
Observe the pattern.
245 candles are to be arranged equally in 15 rows. How many candles will be left?
5 candles will be left.
If largest 3digit number is divided by smallest 2digit number, then:
If 5 tens are subtracted from 300 and divided by 25, then quotient is:
5 tens = 50, 3 hundreds = 300 difference = 300  50 = 250
47 videos85 docs44 tests

47 videos85 docs44 tests
