Ten thousands

Thousands

Hundreds

tens

ones

4

8

5

7

3

Six hundreds twentyfives

One hundred twentyfives

twentyfives

fives

ones

1

3

4

1

2

8 6 4 × 3 6 _______________ 
3 4 3_{5} × 2 4_{5} ______________ 
5 3 2 8 6 4 × 3 6 _______________ 5 1 8 4 
3 3 2 3 4 3_{5} × 2 4_{5} ______________ 3 0 3 2_{5} 
Step 1: 6 × 4 = 24. 24 = 10 + 10 + 4 You have 2 tens to carry. Write 4 down in the ones place. Carry 2 tens by putting 2 in the tens place (Shown in red) 
Step 1: 4 × 3 = 12. 12 = 5 + 5 + 2 You have 2 fives to carry. Write 2 down in the ones place. Carry 2 fives by putting 2 in the fives place (Shown in red) 
Step 2: 6 × 6 = 36. 36 + 2 = 38 tens 38 tens = 10 tens + 10 tens + 10 tens + 8 tens = 100 + 100 + 100 + 80 = 100 + 100 + 100 + 8 tens You have 3 hundreds to carry. Write 8 down in the tens place and carry 3 hundreds by putting 3 in the hundreds place (Shown in green) 
Step 2: 4 × 4 = 16. 16 + 2 = 18 fives 18 fives = 5 fives + 5 fives + 5 fives + 3 fives = 25 + 25 + 25 + 15 = 25 + 25 + 25 + 3 fives You have 3 twentyfives to carry. Write 3 down in the fives place and carry 3 twentyfives by putting 3 in the twentyfives place (Shown in green) 
Step 3: 6 × 8 = 48. 48 + 3 = 51 hundreds 51 hundreds = 10 hundreds + 10 hundreds + 10 hundreds + 10 hundreds + 10 hundreds + 1 hundred = 1000 + 1000 + 1000 + 1000 + 1000 + 100 = 1000 + 1000 + 1000 + 1000 + 1000 + 1 hundred You have 5 thousands to carry. Write 1 down in the hundreds place and carry 5 thousands by putting 5 in the thousands place (Shown in black) Bring down the 5 in the thousands place 
Step 3: 4 × 3 = 12. 12 + 3 = 15 twentyfives 15 twentyfives = 5 twentyfives + 5 twentyfives + 5 twentyfives + 0 twentyfive = 125 + 125 + 125 + 0 = 125 + 125 + 125 + 0 twentyfive You have 3 one hundred twentyfives to carry. Write 0 down in the twenty fives place and carry 3 one hundred twentyfives by putting 3 in the one hundred twentyfive place (Shown in black) Bring down the 3 in the one hundred twentyfives place. Notice again the 0 in the twentyfives place. 
2 1 1 8 6 4 × 3 0 ______________________ 2 5 9 2 0 
1 1 1 3 4 3_{5} × 2 0_{5} _____________________ 1 2 4 1 0_{5} 
Step 6: 3 × 4 = 12 tens. 12 tens = 10 tens + 2 tens = 100 + 2 tens Carry 1 hundred by putting 1 in the hundreds place (Shown in red) Write 2 down in the tens place. Since there is nothing in the ones place, just put a 0. 
Step 6: 2 × 3 = 6 fives. 6 fives = 5 fives + 1 five = 25 + 1 five Carry 1 twenty five by putting 1 in the twentyfives place (Shown in red) Write 1 down in the fives place. Since there is nothing in the ones place, just put a 0. 
Step 7: 3 × 6 = 18 hundreds. 18 hundreds + 1 hundred = 19 hundreds 19 hundreds = 10 hundreds + 9 hundreds = 1000 + 9 hundreds Write 9 down in the hundreds place and carry 1 thousand by putting 1 in the thousand place (Shown in green) 
Step 7: 2 × 4 = 8 twentyfives. 8 twentyfives + 1 twentyfive = 9 twentyfives 9 twentyfives = 5 twentyfives + 4 twentyfives = 125 + 4 twentyfives Write 4 down in the twentyfives place and carry 1 one hundred twentyfive by putting 1 in the one hundred twentyfive place (Shown in green) 
Step 8: 3 × 8 = 24 thousands. 24 thousands + 1 thousand = 25 thousands 25 thousands = 10 thousands + 10 thousands + 5 thousands = 10000 + 10000 + 5 thousands Write 5 down in the thousands place and carry 2 ten thousands by putting 2 in the ten thousands place (Shown in black) Bring the 2 down in the ten thousands place 
Step 8: 2 × 3 = 6 one hundred twentyfives. 6 one hundred twentyfives + 1 one hundred twenty five = 7 one hundred twentyfives 7 one hundred twentyfives = 5 one hundred twentyfives + 2 one hundred twentyfive = 625 + 2 one hundred twentyfive Write 2 down in the one hundred twentyfives place and carry 1 six hundred twentyfive by putting 1 in the six hundred twentyfive place (Shown in black) 
Aug 09, 16 01:40 PM
Average age of Dipu and Apu is 22 years. Average age of Dipu and Tipu is 24 years. Age of Dipu is 21 years. What are the ages of Apu, and tipu ? Let
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