Adding and Subtracting Large Numbers.

By Scott Mangum

Edited by

Kristine Grant

Vocabulary

1. Whole number2. Sum3. Difference4. Product5. Quotient6. Dividend7. Divisor8. Remainder9. Leading digit10. Compatible numbers11. Factor 12. Power13. Base

14. Exponent15. Numerical expression16. Grouping symbols17. Evaluate18. Order of operations19. Variable20. Variable expression21. Equation22. Solution23. Solve24. Verbal model

AdditionalVocabulary

• 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.

FlashcardsVocabulary

http://quizlet.com/44875396/flashcards

I have included a URL that you can make your own flashcards to study.

http://www.scholastic.com/parents/resources/game/tools/flash-card-maker

http://www.kitzkikz.com/flashcards/ Refer to the flashcard maker all year.

Subtraction with regrouping

721- 158

/1

/11

3

/611

65

Regrouping/Borrowing

Addition with regrouping

739+ 274

311110

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 11th 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 2002. 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+2,725,7165,736,454

3,010,738-2,725,716

285,022

Video 1[click black screen for video]

https://www.youtube.com/watch?v=zb_neobDVQs

Video 2

https://www.youtube.com/watch?v=PweAr9ygyPs

Let’s PracticeBy 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.

http://quizlet.com/44874732/flashcards

Click link

Practice Questions

http://quizlet.com/44875194/test?mult_choice=on&prompt-with=1&limit=6

Click link

Be sure to print test and staple score to your work. Bring to class and we will grade.

The End