Estimating and Adding Numbers

Estimate the sum of 436,876 and 5,403.

• 432,000

• 442,279

• 440,000

• 405,000

Estimate the difference of 376,009 and 19,809.

• 400,000

• 360,000

• 356,200

• 356,000

Solve 786,007 -23,897

• 762,110

• 770,000

• 741,327

• 760,000

• 770,000

• 768,095

• 768,195

• 762,295

Estimate the difference of 705,987 and 86,907

• 720,000

• 619,000

• 719,000

• 620,000

Estimate the sum of 176,564 and 84,976.

• 160,00

• 180,000

• 200,000

• 260,000

Estimate the sum: 123 + 456

• 580

• 650

• 500

• 600

Sum is

• the answer to an addition problem

• the answer to a multiplication problem

• the answer to a division problem

• the answer to a subtraction problem

When you bring two or more numbers (things) together to make a new total that is called _________________.

• rounding

• adding

• estimating

• subtracting

In the equation 9 + 7 = 16, 9 and 7 are called __________________.

• multiples

• sum

• factors

• addends