Checkpoint Practice Test

It will take 8 workers 5 days to harvest a field of corn.

How many workers are needed to harvest the field in 4 days? (answer in integer)

The mass of a rabbit is 4 kg. Each month, the mass of the rabbit increases by a certain percentage of its mass from the previous month. After 3 months, the mass of the rabbit is 5.832 kg. What is the monthly percentage increase? (write your answer as whole number without the percentage sign)

In a chess match, Mia can either win, lose, or draw. The probability Mia loses the game is 40%, and the probability Mia draws the game is 20%. If Mia played a total of 30 games, calculate how many times she will win? (write your answer as integer)

Anastasia has four fair spinners, A, B, C and D as shown in the figure. She spins one of the spinners 1200 times and gets an even number 486 times. Write down the letter of the spinner she is most likely to have used.

The diagram shows a solid metal cylinder with a radius of 4.1 cm and a height of 7 cm. The cylinder is melted and the metal is made into cubes. The side length of each cube is 2 cm. Calculate the number of whole cubes that are made.

• 44

• 45

• 46

• 48

A polygon has 7 sides.

The sizes of the 6 largest interior angles of the polygon add up to 855º.

Calculate the size of the smallest interior angle.

• 55º

• 50º

• 45º

• 40º

The graph shows the exchange rate between US dollars ($) and Japanese yen (¥). Angelique changes $40 into Japanese yen. Calculate how many Japanese yen Angelique receives.

• ¥ 5220

• ¥ 5240

• ¥ 5260

• ¥ 5280