# Percentage Change Halloween Riddle

Blue Mountain Math

557 Followers

Grade Levels

6

^{th}- 8^{th}Subjects

Standards

CCSS8.EE.A.4

CCSS7.EE.B.3

CCSS6.EE.C.9

Resource Type

Formats Included

Pages

11 pages

Blue Mountain Math

557 Followers

### Description

Students practice finding percentage change, find the answer and reveal the answer to a riddle about Halloween in this activity. There are three different worksheets, use as classwork, homework. Also makes a great sub plan

A great practice with a spooky twist.

Use the different worksheets after each individual lesson, or as a review before a test.

What is included:

☀3 different students "worksheets"

☀Complete answer keys for all.

☀Teacher directions for use.

Total Pages

11 pages

Answer Key

Included

Teaching Duration

45 minutes

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### Standards

to see state-specific standards (only available in the US).

CCSS8.EE.A.4

Perform operations with numbers expressed in scientific notation, including problems where both decimal and scientific notation are used. Use scientific notation and choose units of appropriate size for measurements of very large or very small quantities (e.g., use millimeters per year for seafloor spreading). Interpret scientific notation that has been generated by technology.

CCSS7.EE.B.3

Solve multi-step real-life and mathematical problems posed with positive and negative rational numbers in any form (whole numbers, fractions, and decimals), using tools strategically. Apply properties of operations to calculate with numbers in any form; convert between forms as appropriate; and assess the reasonableness of answers using mental computation and estimation strategies. For example: If a woman making $25 an hour gets a 10% raise, she will make an additional 1/10 of her salary an hour, or $2.50, for a new salary of $27.50. If you want to place a towel bar 9 3/4 inches long in the center of a door that is 27 1/2 inches wide, you will need to place the bar about 9 inches from each edge; this estimate can be used as a check on the exact computation.

CCSS6.EE.C.9

Use variables to represent two quantities in a real-world problem that change in relationship to one another; write an equation to express one quantity, thought of as the dependent variable, in terms of the other quantity, thought of as the independent variable. Analyze the relationship between the dependent and independent variables using graphs and tables, and relate these to the equation. For example, in a problem involving motion at constant speed, list and graph ordered pairs of distances and times, and write the equation 𝘥 = 65𝘵 to represent the relationship between distance and time.