HW 5.1C Writing Addition and Subtraction Expressions with Let

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HW 5.1C Writing Addition and Subtraction Expressions with Let
Statements
Write expressions for each problem. On this sheet, circle the key word and
write which operation to use. Underline the unknown and label it
"unknown."
1.) Sally has 4 pieces of candy. Her brother ate some. How many does Sally
have left?
2.) Bob lost some of his 8 library books. How many does he have left?
3.) Fred bought 2 movies and his mom gave him more. How many does he have
now?
4.) Bob is 6 years older than Fred. How old is Bob?
5.) Tom visited 5 states more than last summer. How many did Tom visit this
summer?
Brock had 3 cats. One of the cats had kittens.
6.) Define a variable. Then write an expression for the number of cats and kittens
Brock has now.
7.) Using the expression above, if the one cat has 4 kittens, how many cats will
Brock have?
Cole has 5 fewer soccer cards than his brother.
8.) Define a variable. Then write an expression for the number of cards Cole has.
9.) Using the expression above, if Cole's brother has 15 cards, how many cards
does Cole have?
Crachi 4th gr.
HW 5.1C; Some taken from Macmillan McGraw-Hill NY Math Connects p. 195
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