Adding and Subtracting Large Numbers. By Scott Mangum Edited by Kristine Grant
Vocabulary 1.Whole number 2.Sum 3.Difference 4.Product 5.Quotient 6.Dividend 7.Divisor 8.Remainder 9.Leading digit 10.Compatible numbers 11.Factor 12.Power 13.Base 14.Exponent 15.Numerical expression 16.Grouping symbols 17.Evaluate 18.Order of operations 19.Variable 20.Variable expression 21.Equation 22.Solution 23.Solve 24.Verbal model
Additional Vocabulary Addends – Are numbers being added. Sum – Is the answer to an addition problem. Minuend – Is the number being subtracted from. (top number) Subtrahend – Is the number being subtracted. (bottom number) Difference – Is the answer to an subtraction problem. Regrouping – Is when you borrow a number from a higher place value or carry a number to a higher place value.
Flashcards Vocabulary I have included a URL that you can make your own flashcards to study. es/game/tools/flash-card-maker Refer to the flashcard maker all year.
Subtraction with regrouping / 1 / 11 3 / 6 65 Regrouping/Borrowing
Addition with regrouping Regrouping/Carrying
Practice The population of Jackson, MS is 2,844,658. The population of Birmingham, AL is 4,447,100. How many more people live in Birmingham than Jackson? - 2,844,658 1,602,442 4,447,100
Practice The American Red Cross receives donations for different disasters. The Red Cross received $289,000,000 for the September 11 th attack, $173,000,000 for the Indian Ocean Tsunami, and $537,000,000 for the relief efforts for Hurricane Katrina. What is the difference between the tsunami and Katrina? How much money did the Red Cross collect in all? $537,000,000 -$173,000,000 $364,000,000 $537,000,000 $289,000,000 +$173,000,000 $999,000,000
Practice There were 2,725,716 houses built in In 2003 consumers built 3,010,738 more homes. How many houses were built in 2002 and 2003? How many more houses were built in 2003 than 2002? 3,010,738 +2,725,716 5,736,454 3,010,738 -2,725, ,022
Video 1 [click black screen for video]
Video 2
Let’s Practice By clicking on the link it will bring you to a set of flash cards with addition and subtraction problems. The answer is given when you flip the card. Click link
Practice Questions Click link Be sure to print test and staple score to your work. Bring to class and we will grade.
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