Practice Set 2

Question 1

If three inches of rope cost 7 cents, how much would 2 feet of rope cost?

Answer 1

56 cents. First, divide the number of inches in 2 feet (24) by 3;then, multiply this number (8) by the price of 3 inches of rope: 8 x 7 = 56

Question 2

What is the next number in the sequence: 5, 10, 20, 40,…?

Answer 2

80.The next number is found by multiplying the previous number by 2.

Question 3

What is the next number in the sequence: 3, 8, 18, 38…?

Answer 3

78.The next number is taken by adding one to each number and then multiplying this sum by 2.

Question 4

What is the next number in the sequence: 5, 9, 17,33,…?

Answer 4

65. The next number is found by multiplyingthe number by 2 and then subtracting one from theproduct.

Question 5

What is the next number in the sequence: 9, 3, 1, 1/3,…?

Answer 5

1/9.

Question 6

What is the next number in the sequence: 24, 12, 6, 3…?

Answer 6

1.5. The next number is found by dividing each number by 2.

Question 7

Which of the following numbers represents the greatest amount: 6, 6.0, 0.600, 60?

Answer 7

60.Be sure to identify the position of the decimal point.

Question 8

Which of the following numbers represents the smallest amount: 0.400, 0.04, 4.0, 40?

Answer 8

0.04. Be sure to identify the position of the decimal point.

Question 9

Which of the following numbers represents the smallest amount: 3.26, 0.54, 89.00,0.09?

Answer 9

0.09. It may be helpful to say the numbers out loud: “9 hundredths” is clearly smaller than “54 hundredths.”

Question 10

Which of the following numbers represents the smallest amount: 3899, 629, 89001, 9867?

Answer 10

629. Make sure to note the number of place values rather than simply looking at the value of the first digit in the number.