Mathematical Concepts and Problem Solving

The video is a tutorial for grade 7 students preparing for the Massachusetts MCAS 2018 no calculator section. It covers various math problems, including proportions, expression evaluation, rate and probability calculations, and more. The video also explains how to use reference sheets during exams and provides strategies for solving different types of math problems. The tutorial is part A of a two-part series, with part B allowing calculator use.

What is the main focus of the video tutorial?

• Preparing for a Grade 7 state end of year assessment

• Learning advanced calculus

• Exploring world history

• Understanding high school physics

If Charles has 20 oranges, how many tangerines does he have if the ratio of oranges to tangerines is 5:3?

• 10

• 8

• 15

• 12

What is the result of the expression 6 + (-9) - (-4)?

• 3

• 2

• 1

• 0

Braden adds 1/3 cup of flour every half minute. What is the rate in cups per minute?

• 3/4 cup per minute

• 1 cup per minute

• 2/3 cup per minute

• 1/2 cup per minute

What is the probability of selecting a green pen from a carton containing 4 blue, 3 red, 10 black, and 1 green pen?

• 1/18

• 1/15

• 1/20

• 1/10

Emma wrote an expression for the new zoo admission fee as f + (0.50 * f). What is another way to write this expression?

• f * 0.5

• f + 0.5

• f + 1.5

• 1.5f

How many possible outcomes are there when rolling two number cubes?

• 48

• 36

• 24

• 12

What is the fifth number in the pattern starting at 8 and subtracting 9 each time?

• -19

• -28

• -37

• -46

What is the value of 12 divided by 0.48?

• 20

• 25

• 30

• 35

If Zhao swam 1.76 seconds faster than Ava, who took 61.52 seconds, what was Zhao's time?

• 63.28 seconds

• 62.00 seconds

• 60.00 seconds

• 59.76 seconds