Linear Equations Variable on Both Sides Complete Lesson

Linear Equations – Variable on Both Sides – Complete Lesson Preview the presentation to check ability-level, AFL questions, and the animations during demonstrations. It is recommended to delete slides/sections not needed for your class.

Starter A task at the beginning of the lesson that reviews a skill required for the learning. Knowledge Check Questions to assess students’ current understanding and to consequently show progress. Real-Life Example A ‘hook’ to raise interest and provide a concrete example. Demonstration Slides for a teacher to lead students – didactically or via questioning – through a mathematical method. AFL Questions Assessment For Learning Questions, used to assess students’ competency for independent tasks/activities. Plenary An opportunity for students to prove/evaluate their learning.

Printing To print handouts from slides Select the slide from the left. Then click: File > Print > ‘Print Current Slide’ To print multiple slides Click on a section title to highlight all those slides, or press ‘Ctrl’ at the same time as selecting slides to highlight more than one. Then click: File > Print > ‘Print Selection’ To print double-sided handouts Highlight both slides before using ‘Print Selection’. Choose ‘Print on Both Sides’ and ‘Flip on Short Edge’.

Use the numbers below to make… Count 234 7 9 8 14 UP 6 2 11 4

Solve these equations. Make sure you use a clear method in your book.

September 2021 Solving Equations with a Variable on Both Sides

Solve these equations. KNOWLEDGE CHECK

Jane and Jim both love chocolate. They both have an equal amount of money when they go to the shop. Jane buys 3 chocolate bars and has 10 p left over. + 10 p Jim buys 2 chocolate bars and has 40 p left over. + 40 p How much does a chocolate bar cost? How much money did they both have before they went shopping?

£ 1 Jane buys 3 chocolate bars and has 10 p left over. £ 1 Jim buys 2 chocolate bars and has 40 p left over. + 10 p + 40 p + 30 p

Penny buys 4 chocolate bars and has 50 p left over. Paul buys 3 chocolate bars and has 75 p left over. + 50 p + 75 p + 25 p

Jess buys 5 chocolate bars and has 50 p left over. Jane buys 3 chocolate bars and has £ 1. 30 left over. + 50 p + 130 p + 80 p + 40 p

Subtract Variables Subtract 10 p + 40 p 30 p Subtract Variables Subtract 10 p

Subtract Variables Subtract 20 p + 70 p 50 p Subtract Variables Subtract 20 p

Subtract Variables Subtract 20 p ÷ 2 + 20 p + 80 p 60 p 30 p Subtract Variables Subtract 20 p ÷ 2

+ 20 p Subtract Variables + 20 p Subtract 20 p + 80 p Subtract 20 p 60 p ÷ 2 30 p + 20 p + 40 p Subtract Variables + 30 p + 60 p

+ 20 p Subtract Variables + 20 p Subtract 20 p + 80 p Subtract 20 p 60 p ÷ 2 Subtract Variables ÷ 2 30 p + 40 p + 20 p + 30 p + 60 p 15 p

Solving Equations with a Variable on Both Sides Find the cost of + 10 p = + 50 p one sweet. = = +30 p = +15 p = +80 p +40 p = +10 p = = +20 = +£ 1. 30 6 +30 = 3 +240 7 +14 = 2 +65 +54

Solving Equations with a Variable on Both Sides Find the cost of + 10 p = + 50 p one sweet. = = 40 p +30 p = +15 p = +80 p = 50 p +10 p = = 25 p = 50 p = 25 p +20 = +£ 1. 30 = 60 p +40 p = 60 p 6 +30 = 3 +240 = 70 +65 = 15 p 7 +14 = 2 +54 =8 Half Answers

Solving Equations with a Variable on Both Sides Find the cost of + 10 p = + 50 p one sweet. = = 40 p +30 p = = 50 p +10 p = = 50 p =5 = 25 p +20 = = 70 +65 = 15 p = 60 p 6 +30 = 3 +240 +40 p = 25 p +£ 1. 30 = 60 p = 70 +15 p = +80 p = 15 p 7 +14 = 2 =8 =9 +54 =8 Answers

Solving Equations with a Variable on Both Sides Find the cost of + 10 p = + 50 p one sweet. = = +30 p = +15 p = +80 p +40 p = +10 p = +30 p = = +20 = +£ 1. 30 6 +30 = 3 +240 = 7 +14 = 2 +15 p = +80 p +40 p = +65 +54 +10 p = = +20 = +£ 1. 30 6 +30 = 3 +240 7 +14 = 2 +65 +54

Take 4 off from both sides. Are we still balanced?

What is the equation that is represented?

Answers

Solve these equations. KNOWLEDGE CHECK

What is the perimeter of this rectangle?

Check your success!

Write a text message to a friend describing… How to solve an equation if the variable is on both sides.

Questions? Comments? Suggestions? …or have you found a mistake!? Any feedback would be appreciated . Please feel free to email: tom@goteachmaths. co. uk