Evaluating Expressions

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Presentation transcript:

Evaluating Expressions Using Variables to Evaluate Expressions Rewrite Substitute Simplify Circle

4 Steps to Evaluating Expressions: Rewrite Substitute Simplify Circle

Evaluating Expressions Evaluate 𝟓𝒏 for 𝒏 = 𝟕 35

Evaluating Expressions Evaluate 𝟓𝒏 for 𝒏 = 𝟕 5𝑛 5(7) 35 35

Evaluating Expressions Evaluate 𝟐𝒑 – 𝟔 for 𝒑 = 𝟏𝟐 24-6 = 18

Evaluating Expressions Evaluate 𝟐𝒑 – 𝟔 for 𝒑 = 𝟏𝟐 2𝑝 – 6 2(12) – 6 24 – 6 18 24-6 = 18

Evaluating Expressions Use 𝒚 = 𝟑 and 𝒙 = 𝟒 to evaluate the expression below. 𝟓𝒙 + 𝟑𝒚 20 + 9 = 29

Evaluating Expressions Evaluate the expression below. Use 𝒚 = 𝟑 and 𝒙 = 𝟒. 𝟓𝒙 + 𝟑𝒚 𝟓(𝟒) + 𝟑(𝟑) 𝟐𝟎 + 𝟗 𝟐𝟗 20 + 9 = 29

Evaluating Expressions Evaluate the following expression, 𝟑𝒎 – 𝟒𝒓. Use 𝒎 = 𝟕 and 𝒓 = 𝟐 to evaluate 21 – 8 = 13

Evaluating Expressions Evaluate the following expression, 𝟑𝒎 – 𝟒𝒓. Use 𝒎 = 𝟕 and 𝒓 = 𝟐 3𝑚 – 4𝑟 3(7) – 4(2) 21 – 8 13 21 – 8 = 13

Evaluating Expressions Evaluate the expression, 𝟒𝒈 – 𝟗 for 𝒈 = 𝟖 32 – 9 = 23

Evaluating Expressions Evaluate the expression, 𝟒𝒈 – 𝟗 for 𝒈 = 𝟖 4𝑔 – 9 4(8) – 9 32 – 9 23 32 – 9 = 23

Evaluating Expressions Use 𝒘 = 𝟏𝟓 to evaluate the expression 𝒘 𝟑 +𝟗 5 + 9 = 14

Evaluating Expressions Use 𝒘 = 𝟏𝟓 to evaluate the expression below. 𝒘 𝟑 +𝟗 𝟏𝟓 𝟑 +𝟗 𝟓+𝟗 14 5 + 9 = 14

Evaluating Expressions Use 𝒂 = 𝟐𝟒 and 𝒃 = 𝟏𝟐 to evaluate the expression below. 𝒂 𝒃 +𝟏𝟑 2 + 13 = 15

Evaluating Expressions Use 𝒂 = 𝟐𝟒 and 𝒃 = 𝟏𝟐 to evaluate the expression below. 𝑎 𝑏 +13 24 12 +13 2 + 13 15 2 + 13 = 15

Evaluating Expressions Evaluate the expression 𝟕𝐡 − 𝒅 𝟐 for 𝒉 = 𝟐 and 𝒅 = 𝟒 14 – 2 = 12

Evaluating Expressions Evaluate the expression 7h − 𝑑 2 for ℎ = 2 and 𝑑 = 4 7h− 𝑑 2 7 2 − 4 2 14 – 2 12 14 – 2 = 12