There are 547 cookies in Mr. Dobbs' bakery.
A third grade class buys 169 cookies.
Mr. Dobbs wants to use mental math to figure out how many cookies he has left.
First, he subtracts 100 from 547. Then he subtracts 40 from 447.
What should his next step be?
Subtract 7 from 407.
Subtract 7 from 407.
Subtract 20 from 407.
Subtract 20 from 407.
Subtract 40 from 407.
Subtract 40 from 407.
Subtract 9 from 407
Subtract 9 from 407.
Find the difference. Enter your answer in the box.
Seven hundred eighty-three minus two hundred ninety-one equals blank.
(1 point)
The difference of 783 minus 291 is 492.
Seti buys 500 paper plates. She uses 108 for a picnic.
She uses 275 for a family reunion.
She uses 12 paper plates for pizza night at home.
How many paper plates does she have left? Enter your answer in the box.
(1 point)
Seti has 500 - 108 - 275 - 12 = 105 paper plates left.
Tova practiced the violin 490 minutes this week.
Last week she practiced the violin 383 minutes.
How many more minutes did Tova practice the violin this week than last week?
(1 point)
Responses
117
117
103
103
107
107
113