S Estimating sums and differences

hamburger . . . $1.50          soda . . . $0.75

chips . . . . . $1.00

If Sally buys a hamburger, a soda, and chips

and she pays with a $5.00, about how much

change will she get back?

 

about $1.00 

about $2.00

about $0.50

about $1.25

Brad sold 52 cookies.  Billy sold 60 cookies.

Jack sold 97 cookies.  About how many more

cookies did Jack sell than Brad?

about 50

about 150

abiyt 40

about 45

Charlie had $100.00 in his saving's account.

He needed $67.00 to buy his new tennis shoes.

About how much money did he have left in

his saving's account after withdrawing (taking

out) the $67.00 he needed for the shoes?

about $40.00

about $170.00

about $33.00

about $30.00

Susie scored 45 points on Monday, 19 points

on Tuesday, and 21 points on Thursday.  About

how many points did she score altogether?

about 80 points

about 100 points

about 90 points

about 85 points

Kevin is reading a book that is 180 pages long.

He read 48 pages yesterday.  About how many

more pages does he need to read to finish

the book?

about 140 pages

about 100 pages

about 130 pages

about 150 pages

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