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  • 1. BEIJING BISS INTERNATIONAL SCHOOL Math Activity Details & Assessment Guide-Yr. 7 Student’s Name: Sally Kwon Class: 7 Math B Unit : Patterns & Algebra Guiding Question: How can I use Algebra? Tasks : see opposite and also textbook p 120 Assessment Criteria Assessment of the task will depend on the student’s ability to: Excellent Good S a t i s f a c t o r y Limited Score Score A. KNOWLEDGE & UNDERSTANDING 7,8 5,6 3,4 1,2 • Explain the term algebra giving reference to key words: pro-numerals, unknown quantities, patterns, substitution. • Explain how algebra is used in the problems opposite. • Represent algebraic expressions detailed in Q3 in drawings. B. INVESTIGATING PATTERNS • Correctly show simplified algebraic expressions/ patterns for all sections of question 1 (see opposite). • Correctly Substitute quantities given in Q2 and follow the algebraic pattern determined in Q1 to determine the answer to the number of toys in each of the combination of boxes as detailed in Q1. C. COMMUNICATION • Use the problems solving steps to clearly explain (in words and calculations) the logical steps used to find the numbers of toys in each of the situations shown on the page opposite. NOTE: Consider the situation shown in each part of Q1 and the quantities detailed in Q2 as one problem I.e. find the algebraic expression Q1 and then solve the number of toys given the quantities detailed in Q2. D. REFLECTION • Describe the usefulness of the problems solving steps to solve the given problems. i.e. describe what steps were helpful, difficult and how did you overcome the problems? • Describe the usefulness of algebra in solving the problems. Comment Parent’ Name: _________________ Parent’s Signature: _________________ Date: ____________ Problem solving methods 1. read the question carefully Decide what you are asked to find Look for an information that might be useful
  • 2. Set out your calculation Make sure your answer is reasonable 2. read the question carefully Decide what you are asked to find Look for an information that might be useful Set out your calculation
  • 3. Make sure your answer is reasonable 3. read the question carefully Decide what you are asked to find Look for an information that might be useful Set out your calculation Make sure your answer is reasonable 4. read the question carefully Decide what you are asked to find Look for an information that might be useful Set out your calculation
  • 4. Make sure your answer is reasonable