7.2 Whole numbers: subtraction  (Page 4/4)

Subtract 35 from 86.

Subtract 382 from 541.

Subtract 1,841 from 5,246.

Subtract 26,082 from 35,040.

Find the difference between 47 and 21.

Find the difference between 1,005 and 314.

Find the difference between 72,085 and 16.

Find the difference between 7,214 and 2,049.

Find the difference between 56,108 and 52,911.

How much bigger is 92 than 47?

How much bigger is 114 than 85?

How much bigger is 3,006 than 1,918?

How much bigger is 11,201 than 816?

How much bigger is 3,080,020 than 1,814,161?

In Wichita, Kansas, the sun shines about 74% of the time in July and about 59% of the time in November. How much more of the time (in per­cent) does the sun shine in July than in No­vember?

The lowest temperature on record in Concord, New Hampshire in May is 21°F, and in July it is 35°F. What is the difference in these lowest tem­peratures?

In 1980, there were 83,000 people arrested for prostitution and commercialized vice and 11,330,000 people arrested for driving while in­toxicated. How many more people were arrested for drunk driving than for prostitution?

In 1980, a person with a bachelor's degree in ac­counting received a monthly salary offer of $1,293, and a person with a marketing degree a monthly salary offer of $1,145. How much more was offered to the person with an accounting de­gree than the person with a marketing degree?

In 1970, there were about 793 people per square mile living in Puerto Rico, and 357 people per square mile living in Guam. How many more people per square mile were there in Puerto Rico than Guam?

The 1980 population of Singapore was 2,414,000 and the 1980 population of Sri Lanka was 14,850,000. How many more people lived in Sri Lanka than in Singapore in 1980?

In 1977, there were 7,234,000 hospitals in the United States and 64,421,000 in Mainland China. How many more hospitals were there in Mainland China than in the United States in 1977?

In 1978, there were 3,095,000 telephones in use in Poland and 4,292,000 in Switzerland. How many more telephones were in use in Switzerland than in Poland in 1978?

How many more life scientists were there in 1974 than mathematicians? ( [link] )

How many more social, psychological, mathe­matical, and environmental scientists were there than life, physical, and computer scientists? ( [link] )

How many more prosecutions were there in 1978 than in 1974? ( [link] )

How many more prosecutions were there in 1976-1980 than in 1970-1975? ( [link] )

How many more dry holes were drilled in 1960 than in 1975? ( [link] )

How many more dry holes were drilled in 1960, 1965, and 1970 than in 1975, 1978 and 1979? ( [link] )

$\begin{array}{c}\hfill 14\\ \hfill \underline{-\mathrm{\square }}\\ \hfill 3\end{array}$

$\begin{array}{c}\hfill 21\\ \hfill \underline{-\mathrm{\square }}\\ \hfill 14\end{array}$

$\begin{array}{c}\hfill 35\\ \hfill \underline{-\mathrm{\square }}\\ \hfill 25\end{array}$

$\begin{array}{c}\hfill 16\\ \hfill \underline{-\mathrm{\square }}\\ \hfill 9\end{array}$

$\begin{array}{c}\hfill 28\\ \hfill \underline{-\mathrm{\square }}\\ \hfill 16\end{array}$

Subtract 42 from the sum of 16 and 56.

Subtract 105 from the sum of 92 and 89.

Subtract 1,127 from the sum of 2,161 and 387.

Subtract 37 from the difference between 263 and 175.

Subtract 1,109 from the difference between 3,046 and 920.

Add the difference between 63 and 47 to the dif­ference between 55 and 11.

Add the difference between 815 and 298 to the difference between 2,204 and 1,016.

Subtract the difference between 78 and 43 from the sum of 111 and 89.

Subtract the difference between 18 and 7 from the sum of the differences between 42 and 13, and 81 and 16.

Find the difference between the differences of 343 and 96, and 521 and 488.

( [link] ) In the number 21,206, how many hundreds are there?

( [link] ) Write a three-digit number that has a zero in the ones position.

( [link] ) How many three-digit whole numbers are there?

( [link] ) Round 26,524,016 to the nearest million.

( [link] ) Find the sum of $\text{846}+\text{221}+\text{116}$ .