Basic Algebra and Arithmetic Problems

Mr. Richards reviews grade 6 unit 6 lesson 8 practice problems, focusing on diagramming expressions like X + 3 and 2X, exploring equivalent expressions, solving percentage problems, and tackling story problems. The lesson includes visual aids and step-by-step solutions to enhance understanding of algebraic concepts and arithmetic operations.

What is the value of X+3 when X equals 2?

• 7

• 6

• 5

• 4

When are the expressions X+3 and 2X equal?

• X=4

• X=2

• X=1

• X=3

Do 4X and 15+X have the same value when X equals 5?

• Yes

• No

• Sometimes

• Never

Which of the following is an equivalent expression to 2B+B?

• B+3

• 2B

• 3B

• B+B

What is the value of X if 80% of X equals 100?

• 100

• 80

• 125

• 150

How tall is Jada's dog now if it was 5.5 inches as a puppy and is now 14.5 inches taller?

• 15 inches

• 21 inches

• 20 inches

• 19 inches

If Lin Lin picked 9 3/4 pounds of apples, which is 3 times the weight Andre picked, how many pounds did Andre pick?

• 2 1/2 pounds

• 3 1/4 pounds

• 4 pounds

• 3 pounds

What is the product of 2.3 and 1.4?

• 3.42

• 3.52

• 3.32

• 3.22

Calculate 141.75 divided by 2.5.

• 56.7

• 57.7

• 55.7

• 58.7

What is the result of multiplying 15 by 1.2?

• 18

• 17

• 16

• 19