Elem. Math
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week 11 was exam. Week 12
Fractions as decimals
Fractions can be written as decimals and decimals can be written as fractions,
Week 14 Multiplying and dividing Fractions.
Improper & Proper
be sure to reduce.
How to tell what a proper and improper fraction are.
Multiplication & Division
Rules for multiplying and dividing fractions: Multiply the top numbers (the numerators).Multiply the bottom numbers (the denominators).Simplify the fraction if needed.
Rules Dividing Fractions: Image result for steps for dividing fractionsHow to divide fractions in 3 easy stepsFlip (or invert) the divisor into a reciprocal.Change the division sign to a multiplication symbol and multiply.Simplify your answer if possible.
Multiply or divide across.
Adding & Subtracting Fractions.
WEEK 12 Adding and Subtracting
1/3 + 2/3= 3/3 or 1
1)Need to get a common denominator .2) list least common multiplies if not to get your denominator. 3) do what you do to the bottom to the top. 4) add or subtract the top, leave the bottom number.
3/4- 1/4= 2/4 or 1/2
Week 13
can use Mathagon to use hands on materials online.
can be useful to use models.
Adding and Subtracting Fractions,
Simply when needed,
Need common denominator.
Week 12= Fractions - defining and showing.
Set models
Also great for younger students.
Area lines
great for younger students.
week 10
Vocab
Markup- amount by which original increased.
Discount- amount by which original is reduced.
real world.
used when shopping.
can start with 10 percent or 50 percent and adjust as needed.
can be helpful to round.
used in retail.
Decimals & percent change
percent change= amount of increase or decrease. over original amount.
Percent change is an increase or decrease given in percent of the original amount.
Module 4
Algorithms for Subtraction
other algorithms
Standard Algorithm
Week 3
the 4's
using only 4's
counting by 4's
Addition
adding with Standard Algorithms. ( liked we learned as children - carry over)
Partical Sums
Lattice Number Addition
Column Addition
opposite change
adding different bases with algorithms
all different strategies which can be useful in different types of problems.
Week 2
Can convert to different bases
using manipulatives can help. units, longs, flats, and cubes.
Base number systems
We use a base 10 number system. Most likely because we have 10 fingers.
digits 0-9
Week 1: Binary and Mayan numbers
Binary System
used for coding.
counting in 0,1 only
Mayan numbers
stacked dots and bars.
Week 15
Final exam
mindmap acts as a revciew
do mindmap
Jepaordy review
Multiplication maze
fractions
decimials
Week 9
grids
area with a number grid.
number grid
Multiply decimal by decimal
multiply decimals
Multiply decimals
week 8
Place Value
comparing decimals
decimals to fractions, fractions to decimals.
Adding and subtracting with Decimals
Decimals
Decimal
Decimal place value
week 7
order of operation
order of Operations PEMDAS
week 6
can use number line
Can use number chips
Intergers
Basic operations on positive and negative numbers;contexts;representations;computational fluency;use of properties;mental computation;estimating results of computations;how to round;multiple algorithms;connections to whole number representations;counting
week 5
factors
least common multiple
LCM video click red box to play.
GCD/ GCF
Rod method
Prime factorization
Intersection of sets
Divisibilty
Add your text
divisablity rules
