Search for tag: "ten"

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Solving a system of linear equations using… duration 3 minutes 32 seconds Solving a system of linear equations using… Solving a system of linear equations using elimination with addition	Solving a system of linear equations using elimination with addition This talks about why we need two equations to solve for two unknown values, and then demonstrates how to add two equations together to eliminate one varaible and solve for the other one, then find… math math emporium elimination addition unknowns equation equations -12 times sides answer side numbers ten speeches x. situation form values ways things variables From Tom Grant 12 plays 0
Division of a decimal by a power of ten duration 1 minute 14 seconds Division of a decimal by a power of ten Division of a decimal by a power of ten	Division of a decimal by a power of ten Quick look at why and how we multiply decimals in this situation math math emporium algebra decimals power of ten arithmetic power place zeros decimal front places exponent notice division powers From Tom Grant 11 plays 0
Multiplication of a decimal by a power of ten duration 2 minutes 14 seconds Multiplication of a decimal by a power of ten Multiplication of a decimal by a power of ten	Multiplication of a decimal by a power of ten How counting zeros tells you how far to move the decimal point math emporium math algebra decimals powers of ten times places zeros place decimal numbers exponent powers power size thousands placeholders point exponents cetera cubed multiplication From Tom Grant 15 plays 0