7.1 Whole numbers: addition  (Page 2/2)

Add 58 and 29.

Add 476 and 85.

Add 27 and 88.

Add 67,898 and 85,627.

$\begin{array}{c}\hfill 57\\ \hfill 26\\ \hfill \underline{\mathrm{ 84}}\end{array}$

$\begin{array}{c}\hfill 847\\ \hfill 825\\ \hfill \underline{\mathrm{ 796}}\end{array}$

$\begin{array}{c}\hfill \mathrm{16,945}\\ \hfill \mathrm{8,472}\\ \hfill \mathrm{387,721}\\ \hfill \mathrm{21,059}\\ \hfill \underline{\text{ 629}}\end{array}$

$\text{62}+\text{81}+\text{12}$

$\mathrm{9,}\text{261}+\mathrm{8,}\text{543}+\text{884}+\mathrm{1,}\text{062}$

$\text{10},\text{221}+\mathrm{9,}\text{016}+\text{11},\text{445}$

$\text{14}+5$

$\text{12}+7$

$\text{46}+2$

$\text{83}+\text{16}$

$\text{77}+\text{21}$

$\begin{array}{c}\hfill 321\\ \hfill \underline{+\mathrm{ 42}}\end{array}$

$\begin{array}{c}\hfill 916\\ \hfill \underline{+\mathrm{ 62}}\end{array}$

$\begin{array}{c}\hfill 104\\ \hfill \underline{+561}\end{array}$

$\begin{array}{c}\hfill 265\\ \hfill \underline{+103}\end{array}$

$\text{552}+\text{237}$

$\mathrm{8,}\text{521}+\mathrm{4,}\text{256}$

$\begin{array}{c}\hfill \mathrm{16,408}\\ \hfill \underline{+\mathrm{ 3,101}}\end{array}$

$\begin{array}{c}\hfill \mathrm{16,515}\\ \hfill \underline{+\mathrm{42,223}}\end{array}$

$\text{616},\text{702}+\text{101},\text{161}$

$\text{43},\text{156},\text{219}+\mathrm{2,}\text{013},\text{520}$

$\text{17}+6$

$\text{25}+8$

$\begin{array}{c}\hfill 84\\ \hfill \underline{+\mathrm{ 7}}\end{array}$

$\begin{array}{c}\hfill 75\\ \hfill \underline{+\mathrm{ 6}}\end{array}$

$\text{36}+\text{48}$

$\text{74}+\text{17}$

$\text{486}+\text{58}$

$\text{743}+\text{66}$

$\text{381}+\text{88}$

$\begin{array}{c}\hfill 687\\ \hfill \underline{+175}\end{array}$

$\begin{array}{c}\hfill 931\\ \hfill \underline{+853}\end{array}$

$\mathrm{1,}\text{428}+\text{893}$

$\text{12},\text{898}+\text{11},\text{925}$

$\begin{array}{c}\hfill \mathrm{631,464}\\ \hfill \underline{+\mathrm{509,740}}\end{array}$

$\begin{array}{c}\hfill \mathrm{805,996}\\ \hfill \underline{+\mathrm{ 98,516}}\end{array}$

$\begin{array}{c}\hfill \mathrm{38,428,106}\\ \hfill \underline{+\mathrm{522,936,005}}\end{array}$

$\mathrm{5,}\text{288},\text{423},\text{100}+\text{16},\text{934},\text{785},\text{995}$

$\text{98},\text{876},\text{678},\text{521},\text{402}+\text{843},\text{425},\text{685},\text{685},\text{658}$

$\text{41}+\text{61}+\text{85}+\text{62}$

$\text{21}+\text{85}+\text{104}+9+\text{15}$

$\begin{array}{c}\hfill 116\\ \hfill 27\\ \hfill 110\\ \hfill 110\\ \hfill \underline{+\mathrm{ 8}}\end{array}$

$\begin{array}{c}\hfill \mathrm{75,206}\\ \hfill \mathrm{4,152}\\ \hfill \underline{+\mathrm{16,007}}\end{array}$

$\begin{array}{c}\hfill \mathrm{8,226}\\ \hfill 143\\ \hfill \mathrm{92,015}\\ \hfill 8\\ \hfill \mathrm{487,553}\\ \hfill \underline{\mathrm{ 5,218}}\end{array}$

$\begin{array}{c}\hfill \mathrm{50,006}\\ \hfill \mathrm{1,005}\\ \hfill \mathrm{100,300}\\ \hfill \mathrm{20,008}\\ \hfill \mathrm{1,000,009}\\ \hfill \underline{\mathrm{ 800,800}}\end{array}$

$\begin{array}{c}\hfill 616\\ \hfill \mathrm{42,018}\\ \hfill \mathrm{1,687}\\ \hfill 225\\ \hfill \mathrm{8,623,418}\\ \hfill \mathrm{12,506,508}\\ \hfill 19\\ \hfill \mathrm{2,121}\\ \hfill \underline{\mathrm{ 195,643}}\end{array}$

$\begin{array}{c}\hfill \mathrm{1,468}\\ \hfill \underline{\mathrm{ 2,183}}\end{array}$

$\begin{array}{c}\hfill \mathrm{928,725}\\ \hfill \underline{\mathrm{ 15,685}}\end{array}$

$\begin{array}{c}\hfill \mathrm{82,006}\\ \hfill \underline{\mathrm{ 3,019,528}}\end{array}$

$\begin{array}{c}\hfill \mathrm{18,621}\\ \hfill \underline{\mathrm{ 5,059}}\end{array}$

$\begin{array}{c}\hfill 92\\ \hfill \underline{\mathrm{ 48}}\end{array}$

$\begin{array}{c}\hfill 16\\ \hfill \underline{\mathrm{ 37}}\end{array}$

$\begin{array}{c}\hfill 21\\ \hfill \underline{\mathrm{ 16}}\end{array}$

$\begin{array}{c}\hfill \mathrm{11,172}\\ \hfill \mathrm{22,749}\\ \hfill \underline{\mathrm{ 12,248}}\end{array}$

$\begin{array}{c}\hfill 240\\ \hfill 280\\ \hfill 210\\ \hfill \underline{\mathrm{ 310}}\end{array}$

$\begin{array}{c}\hfill \mathrm{9,573}\\ \hfill \mathrm{101,279}\\ \hfill \underline{\mathrm{ 122,581}}\end{array}$

$\begin{array}{c}\hfill 62\\ \hfill \underline{+ m}\\ \hfill 67\end{array}$

$\begin{array}{c}\hfill 106\\ \hfill \underline{+ m}\\ \hfill 113\end{array}$

$\begin{array}{c}\hfill 432\\ \hfill \underline{+ m}\\ \hfill 451\end{array}$

$\begin{array}{c}\hfill 803\\ \hfill \underline{+ m}\\ \hfill 830\end{array}$

$\begin{array}{c}\hfill \mathrm{1,893}\\ \hfill \underline{+ m}\\ \hfill \mathrm{1,981}\end{array}$

The number of nursing and related care facilities in the United States in 1971 was 22,004. In 1978, the number was 18,722. What was the total num­ber of facilities for both 1971 and 1978?

The number of persons on food stamps in 1975, 1979, and 1980 was 19,179,000, 19,309,000, and 22,023,000, respectively. What was the total number of people on food stamps for the years 1975, 1979, and 1980?

The enrollment in public and nonpublic schools in the years 1965, 1970, 1975, and 1984 was 54,394,000, 59,899,000, 61,063,000, and 55,122,000, respectively. What was the total en­rollment for those years?

The area of New England is 3,618,770 square miles. The area of the Mountain states is 863,563 square miles. The area of the South Atlantic is 278,926 square miles. The area of the Pacific states is 921,392 square miles. What is the total area of these regions?

In 1960, the IRS received 1,188,000 corporate income tax returns. In 1965, 1,490,000 returns were received. In 1970, 1,747,000 returns were received. In 1972 —1977, 1,890,000; 1,981,000; 2,043,000; 2,100,000; 2,159,000; and 2,329,000 re­turns were received, respectively. What was the total number of corporate tax returns received by the IRS during the years 1960, 1965, 1970, 1972 —1977?

Find the total number of scientists employed in 1974.

Find the total number of sales for space vehicle systems for the years 1965-1980.

Find the total baseball attendance for the years 1960-1980.

Find the number of prosecutions of federal officials for 1970-1980.

$\begin{array}{c}\hfill 5\\ \hfill 5\\ \hfill 3\\ \hfill \underline{\mathrm{ 7}}\end{array}$

$\begin{array}{c}\hfill 8\\ \hfill 2\\ \hfill 6\\ \hfill \underline{\mathrm{ 4}}\end{array}$

$\begin{array}{c}\hfill 9\\ \hfill 1\\ \hfill 8\\ \hfill 5\\ \hfill \underline{\mathrm{ 2}}\end{array}$

$\begin{array}{c}\hfill 5\\ \hfill 2\\ \hfill 5\\ \hfill 8\\ \hfill 3\\ \hfill \underline{\mathrm{ 7}}\end{array}$

$\begin{array}{c}\hfill 6\\ \hfill 4\\ \hfill 3\\ \hfill 1\\ \hfill 6\\ \hfill 7\\ \hfill 9\\ \hfill \underline{\mathrm{ 4}}\end{array}$

$\begin{array}{c}\hfill \text{20}\\ \hfill \underline{\text{ 30}}\end{array}$

$\begin{array}{c}\hfill \text{15}\\ \hfill \underline{\text{ 35}}\end{array}$

$\begin{array}{c}\hfill \text{16}\\ \hfill \underline{\text{ 14}}\end{array}$

$\begin{array}{c}\hfill \text{23}\\ \hfill \underline{\text{ 27}}\end{array}$

$\begin{array}{c}\hfill \text{82}\\ \hfill \underline{\text{ 18}}\end{array}$

$\begin{array}{c}\hfill \text{36}\\ \hfill \underline{\text{ 14}}\end{array}$

( [link] ) Each period of numbers has its own name. From right to left, what is the name of the fourth period?

( [link] ) In the number 610,467, how many thousands are there?

( [link] ) Write 8,840 as you would read it.

( [link] ) Round 6,842 to the nearest hundred.

( [link] ) Round 431,046 to the nearest million.