
In this video we learn how to evaluate variable expressions with integers. We evaluate 3x+4y6 when x=1 and y=2.
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In this video we learn how to evaluate variable expressions with integers. We evaluate 2x^23x+8 when x=4.
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In this video we learn how to simplify expressions with integers. We simplify 30÷2+(3)(7).
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In this video we learn how to simplify expressions with integers. We simplify 8(9)÷(2)^3.
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In this video we learn how to simplify expressions with integers. We simplify 123(912).
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In this video we learn how to simplify expressions with integers. We simplify (2)^4 and 2^4.
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In this video we learn how to simplify expressions with integers. We simplify 7(2)+4(7)6.
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In this video we cover how to use the order of operations. A common way to memorize the order of operations is to use PEMDAS. This stands for Please Excuse My Dear Aunty Sally. In mathematics this…




In this video we learn how to use the Order of Operations, which is known as PEMDAS, to simplify expressions. We simplify the expression 2^3+3^4÷35^2 using the order of operations. PEMDAS…


In this video we learn how to use the Order of Operations, which is known as PEMDAS, to simplify expressions. We simplify the expression 5+2^3+3[63(42)] using the order of operations. PEMDAS stands…


In this video we learn how to use the Order of Operations, which is known as PEMDAS, to simplify expressions. We simplify the expression 18÷6+4(52) using the order of operations. PEMDAS…


In this video we learn how to use the Order of Operations, which is known as PEMDAS, to simplify expressions. We simplify the expressions 18÷9*2 and 18*2÷9 using the order of…


In this video we learn how to use the Order of Operations, which is known as PEMDAS, to simplify expressions. We simplify the expressions 4+3*7 and )4+3)*7 using the order of operations. PEMDAS…


In this video we identify the place value of a digit. We take the number 63,407,218 and identify the place values of its digits.
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