7 th Grade Math Week of 9/2/14

Monday: No School

Tuesday: Bell Work 1) Isabella is baking muffins. The recipe calls for 8 cups of sugar. Isabella has already added 3 cups of sugar. How many more cups of sugar does she need to add? * Write and solve a one-step equation. The variable cannot be the answer.*

10. Variable What does this word mean to you? This word actually means….. a symbol used to represent a quantity that can change. Examples… Explain how you would use this word in math.

Lesson 2- Step Equation CCSS.Math.Content.7.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.

Lesson 1) Solve equations with integers

Exit / Closure Explain how inverse operations effect how you solve equations.

Wednesday: Bell Work 1) Yesterday, Samuel had $7. He was given more money today and now has $10. How much money was Samuel given today? 2) Shannon had some money in her pocket. She received $4 for school supplies. She now has $11. How much money did she start with? * Write and solve a one-step equation. The variable cannot be the answer.*

11. Reciprocal What does this word mean to you? This word actually means….. one of two numbers whose product is one. Examples… Explain how you would use this word in math.

Lesson 2- Step Equation CCSS.Math.Content.7.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.

Lesson Have out your study guide to grade and check.

Exit / Closure When reading contextual problems state why it is important to understand the meaning of the key terms.

Thursday: Bell Work 1) Jessie had a few marbles. He earned 5 of them during a game and now has 8. How many marbles did Jessie start with? 2) Binders cost $2 each. If Miguel has $12, how many binders can he buy? * Write and solve a one-step equation. The variable cannot be the answer.*

12. Rational Numbers What does this word mean to you? This word actually means….. any number written as a fraction when the denominator is not zero. Examples… Explain how you would use this word in math.

Lesson 6.NS.C.5 Understand that positive and negative numbers are used together to describe quantities having opposite directions or values (e.g., temperature above/below zero, elevation above/below sea level, credits/debits, positive/negative electric charge); use positive and negative numbers to represent quantities in real-world contexts, explaining the meaning of 0 in each situation. N2K 2

Critical Thinking Activity 1. Sean has a checking account at USA Bank. He deposited 3 checks, each for $202. He then bought a new video game system for $499. What integer best describes Sean’s current bank account balance? A) +$107 B) –$107 C) +$297 D) –$297

Constructed Response 2. Denver, Colorado is called “The Mile High City” because its elevation is 5280 feet above sea level. Someone tells you that the elevation of Death Valley, California is −282 feet. A) Is Death Valley located above or below sea level? Cite evidence from the paragraph to justify your reasoning. B) How many feet higher is Denver than Death Valley? Show your work. C) What would your elevation be if you were standing near the ocean? Draw a picture of where you would be standing in comparison to both Denver and Death Valley.

Exit / Closure What did you learn about today’s N2K? Do you have questions about the process?

Friday: Bell Work 1) Ricky and his two friends earned money doing chores for his neighbor. After splitting the money, they each got $7. How much money did they earn together? 2) Isabella gave out muffins to her 6 friends. If each friend was given 4 muffins, how many muffins did Isabella give out? * Write and solve a one-step equation. The variable cannot be the answer.*

13. Numerator What does this word mean to you? This word actually means….. the top number of a fraction that tells how many parts of a whole are being considered. Examples… Explain how you would use this word in math.

Lesson 2- Step Equation CCSS.Math.Content.7.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.

Exit / Closure Tommy said that 29 + x = -58 x is 87. Justify whether Tommy is incorrect or correct. ***Be ready to explain your answer to a partner.