## Description

Author: Karelien Kriel

Number of pages: 105 (Act) + 30 (Memo)

Number of activities: 37

With Thinking Tools

**Activity 1**: Introduction to variables; add things like apples and animals; may you add or not; why; then it’s about the addition of letters presented as pictures; conclusions; brace map

**Activity 2**: The same principles as Activity 1, but for subtraction

**Activity 3**: Define term, like and unlike; brace map

**Activity 4**: Addition; like or unlike; pictures; write the problem and answer; step-by-step

**Activity 5**: The same principles as Activity 4, but pictures of letters; addition of binomials to expressions with four terms

**Activity 6**: Conclude that 1 letter is the same as a letter without 1 in front of it; pictures of letters; tables; abstract binomials; like or unlike; give answer; expressions with four terms – 2 with one variable and 2 with another variable; add

**Activity 7**: Addition; abstract; binomials to expressions with four terms

**Activity 8**: Menu; use it to substitute words with variables, substitution and work out totals; word problems; step-by-step

**Activity 9**: Define the word pair; two times 0, 1, 2, etc. with pictures of the same amount of peas in pair of hands; conclude what bracket means; conclude definition of variable and constant; brace map; identify variables and constants; table

**Activity 10**: Subtraction; like or unlike; pictures; write the problem and answer; step-by-step

**Activity 11**: The same principles as Activity 10, but pictures of letters; binomials to expressions with four terms

**Activity 12**: Conclude that 0 of a variables is 0; subtraction; tables; abstract binomials; like or unlike; give answer; expressions with four terms – 2 with one variable and 2 with another variable

**Activity 13**: Subtraction; abstract; binomials to expressions with four terms

**Activity 14-15**: Geometric patterns; give first 3 patterns; give variables for pattern number and answer; complete table; find difference; work forward in flow map; questions; write formula; complete table with larger pattern numbers; define input value and output value; identify input and output value; work backwards in flow map; backwards formula; describe what you did, in words

**Activity 16**: Look at values in tables of four patterns; conclude where the coefficient comes from; conclude how you know which number to add or subtract; write formulae

**Activity 17**: Geometric patterns without constant difference; complete tables; describe the pattern in words

**Activity 18**: Look at the formula and write the following 5 numbers in the number series; find the formulae of number series; explain in words

**Activity 19**: Word problems; secret numbers; step-by-step; replace words with numbers and symbols; write equation; solve; write own steps in brace map

**Activity 20-21**: Word problems; numbers; given steps; learner must create steps by himself and solve it

**Activity 22**: Word problems; geld; step-by-step; replace words with numbers and symbols; write equation; solve

**Activity 23**: Word problems; geld; given steps; learner must now create steps by himself and solve it

**Activity 24**: Word problems; age; step-by-step; replace words with numbers and symbols; write equation; solve

**Activity 25**: Solve simple equations op by inspection; step-by-step; ask yourself a question; find variable; test the answer

**Activity 26**: Solve simple equations by substitution; step-by-step

**Activity 27**: Solve the variable of simple equation in any way; includes squares and cubes

**Activity 28**: Graphs; straight line graph; define vertical and horizontal; distance vs time; read values from graph; answer questions (interpretation); calculate and compare speed

**Activity 29**: Graphs; broken line graph; temperature vs time of 12:00 to 22:00; read values from graph; interpretation

**Activity 30**: Graphs; broken line graph; rainfall vs time over 5-year period; read values from graph; interpretation

**Activity 31**: Transformation; define translate, reflect and rotate; cut out shapes and transform it according to instructions op given graph paper

**Activity 32**: Draw reductions and enlargements of shapes according to instructions op graph paper

**Activity 33**: Symmetry; draw the line of symmetry; draw the mirror image

**Activity 34**: 3D-objects; cut out prisms and paste correct prisms according to questions.

**Activity 35**: 3D-objects; fit the correct net with each prism; table; number of and shapes of faces; number of vertices; number of edges

**Activity 36-37**: Draw 3D-objects according to specifications

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