Pi Day contest grade 7 and 8

• 40

• 80

• 100

• 20

• 60

A class begins at 8:30 a.m. and ends at 9:05 a.m. on the same day. In minutes, what is the length of the class?

• A) 15

• B) 25

• C) 35

• D) 45

• E) 75

• (A) 288cm

• B) 72 cm

• (C) 48 cm

• (D) 12 cm

• (E) 36 cm

If there is no tax, which of the following costs more than $18 to purchase?

• (A) Five $1 items and five $2 items

• (B) Nine $1 items and four $2 items

• (C) Nine $1 items and five $2 items

• (D) Two $1 items and six $2 items

• (E) Sixteen $1 items and no $2 items

Which of the following numbers lies between 3 and 4 on a number line?

An envelope contains 2 sunflower seeds, 3 green bean seeds, and 4 pumpkin seeds. Carrie randomly chooses one of the seeds from the envelope. What is the probability that Carrie chooses a sunflower seed?

If x = 4 and y = 3x, the value of y is

• 12

• 24

• 7

• 81

• 4

The measure of one angle of an isosceles triangle is 50◦ . The measures of the other angles in this triangle could be

• (A) 50◦ and 90◦

• (B) 40◦ and 50◦

• C) 50◦ and 80◦

• (D) 30◦ and 100◦

• (E) 60◦ and 70◦

The 26 letters of the alphabet are written in order, clockwise around a circle. The ciphertext of a message is created by replacing each letter of the message by the letter that is 4 letters clockwise from the original letter. (This is called a Caesar cipher.) For example, the message ZAP has ciphertext DET. What is the ciphertext of the message W IN?

• (A) ALN

• (B) ZLN

• (C) AMR

• (D) AMQ

• ((E) ZMQ

The figure consists of 8 identical small parallelograms, joined as shown. Including these 8 small parallelograms, how many parallelograms appear in this figure?

• (A) 29

• ((B) 30

• (C) 26

• (D) 27

• (E) 28