Divisors: Multiples of Te n
12-2
3
40 1 3 7
3
40 1 3 7
1 2 03 R 17
40 1 3 7
1 2 0
1 74 0
3
1 2 0
1 7
1 3 7
Each student gets 3 marbles.
There are 17 marbles left over.Forty students share 137 marbles
equally. How many marbles does
each student get? How many
marbles are left over?To find how many each gets,
divide: 137 40.137 40
Think: 13 4 is close to 12 4 3.
Tr y 3.?17 40Think
40 1 3 7 40 1 Not enough hundreds
40 1 3 7 40 13 Not enough tens
40 1 3 7 40 137 Enough onesEstimate to place the
first digit in the quotient.Divide the
ones.Subtract and
compare.Multiply. Check.Complete each division.
4 R 5 R ? R ? R 35- 20 8 5 2. 50 2 5 8 3. 20 1 6 6 4. 80 6 7 5
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