Chapter 2 Revew

Vocabulary

100

A _____ is a sentence that contains an equals sign (=), showing that two expressions are equal. 

Equation

200

The ____ property states that for any number, zero plus zero is the number. 

identity

300

A _______ is a symbol, usually a letter, that is used to represent an unknown quantity

For Bonus points: give me an example of a variable.

variable

400

A number that is subtracted from another number is called the: ________

Subtrahend

For bonus points: Find the subtrahend in 301-34

500

The first number in a subtraction sentence from which a second number is to be subtracted is called the 

Minued

For bonus points: Find the minued in 313-234

Find the Unknown and Properties of Addition and Subtraction

100

76 + 0 = _____

Identity property

76 + 0 = 76

200

35 - __ = 35 

Find the unknown and write the addition or subtraction rule that it shows.

35 - 0 = 35

When you subtract 0 from a number, the result is that number

300

(16 + 5) + ___ = 16 + ( 5 + 10 )

Find the unknown and write the property that it shows. 

(16 + 5) + 10  = 16 + ( 5 + 10 )

Associative Property

400

35 - __ = 35 

Find the unknown and write the addition or subtraction rule that it shows.

35 - 0 = 35

When you subtract 0 from a number, the result is that number

500

16 - __ = 0 

Find the unknown and identify the property.

16 - 16 = 0

When you subtract any number from itself, the result is 0. 

Tens, Hundred, Thousand

100

100 more than 365,000

465,000

200

10,000 more than 25,953

35,953

300

1,000 less than 63,035

62,035

400

Make a ten, hundred or thousand to mentally add.

4529 + 56 = 

4,585

500

Make a ten, hundred or thousand to mentally add.

506 + 349

855

Add/Subtract

100

  82,267

+21,037

103,304

200

432,901 + 177,235

610,136

300

206,522 + 321,877

528,399

400

54,751 - 43,226

11,525

500

70,909 - 63,485

7,424

Word Problems

100

Rick Drove 21,363 miles in his new car the year he owned it. He drove 15,934 miles the second year. How many miles altogether did rick drive these two years? 

a) 23,571

b) 27,297

C) 28,291

D) 28,297

D

200

The first Harry Potter book has 76,944 words. The second Harry Potter book has 85,141 words. How many words are in both Harry Potter books? 

162,085

300

Mrs. Vanhorn has 1,045 recipes to organize. She has organized 632 of them. How many more recipes does she need to organize?

413

400

Parker had $32. He earned $10. Then he bought a video game for $18, How much money does he have left? Write an equation using a variable for the unknown. 

32 + 10 - 18 = B

24

500

Abby won 57 points on her first turn in a game. She won 37 more points on her second turn and then lost 19 points on her third turn. She won some more points on her fourth turn. Now Abby has 400 points. How many points did she win on her 4th turn? Write an equation using a variable for the unknown. 

57 + 37 - 19 + Q = 100

57 + 37 = 94

94-19 = 75

100- 75 = 25

Q = 25