MCAS 1999, 4th Grade Math, Questions 17-20

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Question #17 (Open-Response Question)

These are input-output tables. Each table has a different rule. When a number n is put in, it is changed by the rule so that a different number comes out. Table 1 has been completed for you.

a. Complete Tables 2 and 3 in your Student Answer Booklet.

b. Write an input-output rule for Table 3 using the letter n.

c. Use a new rule to make up your own input-output table. Complete Your Table in your Student Answer Booklet. Be sure to include your rule using the letter n. (You may NOT use the rules from Tables 1, 2, or 3.)

Question #18

There are 60 pieces of art paper and 42 children. If each child gets one piece of art paper, how many pieces will be left for another project?

A. 9

B. 18

C. 27

D. 42

Question #19

Use the picture of marbles below to answer question 19.

There were 12 marbles on the floor. Lisa picked up 1/2 of the 12 marbles and Tom picked up 1/4 of the 12 marbles. How many marbles were picked up?

A. 2

B. 5

C. 9

D. 10

Question #20

Marco is practicing for track and field day. If he practices for 360 minutes, what would you do to find out how many HOURS Marco practiced?

A. Add 60 to the total number of minutes.

B. Subtract 60 from the total number of minutes.

C. Multiply the total number of minutes by 60.

D. Divide the total number of minutes by 60.

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