Mathematical Concepts and Problem Solving

This video is a Grade 7 math review focusing on calculator-allowed questions from the 2018 MCAS. It covers solving equations, percentage calculations, angle and triangle problems, sports participation statistics, price comparisons, geometry, and inequalities. The video encourages students to pause, solve problems independently, and then check their answers. It aims to refresh students' knowledge of Grade 7 math concepts in preparation for state assessments.

What is the main focus of the video tutorial?

• Calculator questions from the 2018 MCAS

• Science questions from the 2018 MCAS

• Non-calculator questions from the 2018 MCAS

• Grade 8 math review

If a teacher buys 25 laptops and a cart for $12,950, and the cart costs $450, what is the cost of each laptop?

• $450

• $600

• $500

• $550

Adriana drank 2.25 cups of juice. If each half-cup serving contains 30% of the daily vitamin C, what percentage of vitamin C did she consume?

• 90%

• 120%

• 150%

• 135%

In a diagram, if two angles are supplementary and one is 144 degrees, what is the measure of the other angle?

• 46 degrees

• 36 degrees

• 66 degrees

• 56 degrees

What is the difference in sports participation between the 7-10 and 15-18 age groups?

• 23%

• 33%

• 43%

• 53%

What is the price per ounce of a regular-sized box of crackers costing $1.75 for 10 ounces?

• $0.20

• $0.18

• $0.17

• $0.15

If a circular mirror has a circumference of 30π inches, what is its area in terms of π?

• 150π square inches

• 200π square inches

• 250π square inches

• 225π square inches

A TV originally costs T dollars. If it's on sale for 35% off, what expression represents the sale price?

• 0.50T

• 0.35T

• 0.75T

• 0.65T

Based on a survey, if 43.8% of students prefer grilled cheese, how many out of 2000 students is this likely to be?

• 1000

• 950

• 900

• 876

What is the volume of a composite figure made of a cube and a triangular prism if the cube's side is 8 cm?

• 800 cubic cm

• 704 cubic cm

• 900 cubic cm

• 600 cubic cm