Box & whisker plots (parallel)
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This document provides instructions for creating and interpreting a box and whisker plot. It explains how to find the minimum, maximum, median, first quartile and third quartile values from a data set. These values are used to construct the box and whisker plot, with examples given for number of times washing hands per day and minutes spent showering. Students are then asked to choose a meaningful topic for a data set to analyze using a box and whisker plot.
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This document provides an overview of scientific notation. It begins by reviewing positive and negative exponents. It then defines Avogadro's number as the number of molecules in a mole of a substance. It explains how to write numbers in scientific notation by moving the decimal point right if the power is positive or left if negative. Examples are given of converting between scientific and standard form. The document also demonstrates how to multiply numbers in scientific notation by keeping the numbers the same and adding the powers of ten.
Pre-Alg 6.1 Positive Integers
Ms. Vallejo gave each student money from winning the lottery and asked them to make the greatest value using only 4 numbers. The document then covered exponents and exponential growth, including definitions of exponential growth and examples of multiplying exponents.
4.14 equations with fractions and mixed numbers
This pre-algebra lesson reviews key concepts for working with fractions and mixed numbers in equations, including:
- Inverse operations for solving equations
- Adding, subtracting, multiplying, and dividing mixed numbers
- Examples of equations with fractions and mixed numbers that must be solved using the appropriate operations.
Pre-Alg 5.5 Equations with Mixed Operations
This document discusses solving equations with mixed operations. It explains that the order of operations is SADMEP (Subtraction, Addition, Division, Multiplication, Exponents, Parentheses) and provides examples of solving equations step-by-step by combining like terms, moving terms to one side of the equation using inverse operations, and simplifying. The document provides examples of solving equations with variables like x, n, and examples of solving equations with mixed addition, subtraction, multiplication, and division terms.
Alg1 7.7 Slope-Intercept Form
This document discusses slope-intercept form for graphing lines. It defines slope-intercept form as y = mx + b, where m is the slope and b is the y-intercept. The document provides examples of graphing lines from their equations in slope-intercept form. It also shows how to convert between standard form and slope-intercept form.
Alg1 7.5 Slope
This document provides a lesson on slope in Algebra 1. It reviews ordered pairs and the x-axis and y-axis. It defines slope as the steepness of a line, or the vertical change over the horizontal change. Positive slope lines slant up, negative slope lines slant down, and zero slope lines are horizontal. The slope formula is defined as the rise over the run, or (y2-y1) over (x2-x1). Examples are given to find the slopes of lines between two points using the formula.
Pre-Alg 3.1 Multiplying Integers & Decimals
The document discusses multiplication and division of integers and decimals. It provides rules for multiplying and dividing integers, such as two positives or a positive and a negative multiplying to be positive or negative. It also discusses how the Babylonians developed multiplication as repeated addition and division as repeated subtraction over 4000 years ago. Examples are provided to demonstrate multiplying and dividing integers and decimals according to order of operations.
Pre-Alg 2.15 Adding & Subtracting Equations
This document is a lesson on addition and subtraction applications in pre-algebra. It discusses why word problems are important to practice and provides examples of word problems involving unit rates and multi-step word problems. It also outlines the steps to solve word problems which are to draw or write the information, form an equation, solve the equation, and check the solution.
Alg1 4.2 Multiplication & Division Equations
This document contains lessons on multiplication and division equations, inverse operations, and absolute value. It reviews solving equations, word problems, and the process of drawing, writing, forming, solving, and checking problems. Key topics covered include inverse operations, absolute value, solving equations with variables on both sides, and using a multi-step process to solve word problems.
Alg 1 3.6 Reciprocals and Division
The document discusses reciprocals and division in algebra 1. It explains that finding the reciprocal of a number or fraction involves flipping the numerator and denominator. Several examples are provided of converting decimals to fractions and finding their reciprocals. Key properties of reciprocals are defined, such as the reciprocal of a product equals the product of the reciprocals. The document emphasizes that division can be represented as multiplying by a reciprocal. Practice problems are included for students to work through.
Pre-Algebra 2.8 Adding Decimals
The document provides an overview of lessons on adding decimals from Pre-Algebra Unit 2. It defines decimals, reviews the rules for adding decimals depending on the signs, and provides examples. It then describes activities for students to practice adding decimals using their own birthdays and comparing decimal expressions and inverse operations.
7th Grade Math HSA Prep Questions
This document contains practice questions for the 7th grade Math High School Assessment (H.S.A). It provides sample test questions to help students prepare for the standardized test covering 7th grade math topics.
Factoring lesson
1) The document discusses factoring trinomials by going from expressions like "x + 4x + 3" back into binomials using factors.
2) It provides examples of factoring various trinomial expressions into binomials like (x + 3)(x + 1).
3) The objective is to teach learners how to factor trinomials into binomials using techniques like finding two numbers with a sum and product that match the coefficients.
Input output tables
The document discusses functions in mathematics and provides examples of evaluating different functions based on input-output tables:
1) It introduces functions in real life and mathematics, and provides the example function y=x+3, showing how to fill out an input-output table for it.
2) More examples of functions are given as practice problems for the reader to fill out tables for, including y=x-4 and y=-3x.
3) An input-output table is shown for the function y=2x+3 to evaluate.
4) A more difficult function is presented as y=x/-3, with an empty table for the reader to solve.
5)
Foil method
The document describes the FOIL method for multiplying binomials. FOIL stands for First, Outer, Inner, Last - referring to the steps of multiplying the first, outer, inner, and last terms of each binomial. The method involves multiplying the corresponding terms and combining like terms. Examples are provided of using FOIL to multiply different binomial expressions, such as (x + 7)(x + 4) and (2x + 4)(x - 4).
Dimensional analysis
The document discusses dimensional analysis, which involves converting between different units of measurement for the same quantity. It provides examples of both single-step and multi-step conversions between common units like feet, inches, miles, gallons, pints, hours, minutes, and more. The examples range from easy to very difficult, involving multiple conversion steps. Dimensional analysis is an important skill, as it is used frequently, including for potential word problems in high school.
More from Jaqueline Vallejo (20)
Box & whisker plots (parallel)
- 1. Pre-requisite's for this lesson: - use a calculator? - distinguish the highest/lowest number? - find the object/number in the middle? - draw a dot? - draw a line?
- 2. & Box and Whisker Plot
- 3. Lower Median Upper Median M m ax imu i Min mu m 3rd Quartile 1st Quartile 2nd Quartile
- 4. How many time do you wash your hands in a day? Find the MINIMUM Value: Lowest Number Find the MAXIMUM Value: Highest Number Find the MEDIAN Value (Q ): 2 Middle Number Find the 1st quartile (Q ): 1 Median of the values to the left of the median Find the 3rd quartile (Q ): 3 Median of the values to the right of the median
- 5. how many minutes you spend in the shower? Find the MINIMUM Value: Lowest Number Find the MAXIMUM Value: Highest Number Find the MEDIAN Value (Q ): 2 Middle Number Find the 1st quartile (Q ): 1 Median of the values to the left of the median Find the 3rd quartile (Q ): 3 Median of the values to the right of the median
- 6. data set: 1, 1, 2, 3, 4, 4, 4, 8, 9 1, 3, 3, 4, 5, 6, 8, 9, 10,10 Minimum Score Maximum Score Q1: Lower Median Q2: Median Q3: Upper Median
- 8. Example of homework (do on a separate sheet of paper) Number of hours on the Internet per day Social Media OLS Answers: 0, #, #, #, #, #, #, #, #, #, 10 Answers: 2, #, #, #, #, #, #, #, #, #, 7 Minimum: 0 Minimum: 2 Maximum: 10 Maximum: 7 Lower Median: 2 Lower Median: 4 Median: 3 Median: 5 Upper Median: 7.5 Upper Median: 6 OLS Social Media 0 2 4 6 8 10
- 9. Topics: Please choose something useful, informative or meaningful. Meals Per Week (fruits vs. fast food)(boys vs. girls) Liquid Intake per week (caffeine vs. water) Shoe size of students (boys vs. girls) Height of students (boys vs. girls) Amount of texts per day (boys vs. girls) (weekday vs weekend) Minute of exercise per day (boys vs. girls) (weekday vs weekend) Hours of sleep (weekday vs. weekend) (boys vs. girls) Pairs of shoes owned (boys vs. girls) Amount of Footwear owned (shoes vs. slippers) Do not choose: How many strands of hair do you think is on a monkey's left hand?