3.05 Dividing with decimals
Choose the most reasonable estimate for 2.8 \div 7:
Between 0 and 1
Between 1 and 7
Less than 0
Between 10 and 70
Calculate 2.8 \div 7.
Choose the most reasonable estimate for 92.1 \div 3:
31
310
3.1
0.31
Calculate 92.1 \div 3.
For each of the following divisions:
Estimate the value.
Calculate the exact value.
Which of the following is the same as 0.9?
Nine tenths
Nine
Nine units
Nine tens
Hence, find 0.9 \div 3, giving your answer as a decimal.
To find 48.8 \div 4 we partition the number as follows:
48.8 = 40 + 8 + 0.8Calculate:
Add the answers to part (a) to find 48.8 \div 4.
Consider the quotient of 93.63 \div 3.
Write 93.63 as a partitioned number.
Divide each part by 3 and write as a sum.
Add the answers to part (b) to find 93.63 \div 3.
Consider the quotient of 255.15 \div 5.
Write 255.15 as a partitioned number.
Divide each part by 5 and write as a sum.
Add the answers to part (b) to find 255.15 \div 5.
Evaluate:
52.68 \div 6
245.37 \div 3
393.68 \div 7
588.6 \div 9
538.32 \div 6
1061.2 \div 8
Consider the quotient of 3.36 divided by 0.3.
By what multiple of ten should both numbers be multiplied by, so that the divisor, 0.3, is a whole number?
Rewrite 3.36 \div 0.3 so that the divisor is a whole number.
Hence calculate 3.36 \div 0.3.
Consider the quotient of 4.808 divided by 0.04.
By what multiple of ten should both numbers be multiplied by, so that the divisor, 0.04, is a whole number?
Rewrite 4.808 \div 0.04 so that the divisor is a whole number.
Hence calculate 4.808 \div 0.04.
Evaluate:
56 \div 0.7
1.2 \div 0.3
420 \div 0.7
8.1 \div 0.9
1.8 \div 0.09
2.94 \div 0.07
5.205 \div 0.05
84.06 \div 0.06
12 \div 0.003
10.8 \div 0.012
33 \div 0.011
6.4 \div 0.008