Subtracting Integers Formative Nic

by Nicolas Travis

| 3 QuestionsHi Nic, Hi Felix

1

1

Subtract -9 - (-13)

2

1

Subtract -10 - 4. Show how to evaluate this expression three different ways below (draw diagrams/pictures to help!)

3

1

Evaluate - 6 - (- 8) - 3

Wait until your table partner is done, and then assess his/her formative on MATH PRACTICES! Here are the criteria:

E - multiple representation/ check answer

4 steps for complete solution (4/4) ←- i like the “out of 4” criteria”

1 - copy question/list key information from question

2 - diagram/ assumed formulas

3 - step by step working out

4 - circled answer with correct units

M - 4 steps for complete solution (3 of 4 steps without errors)

1 - copy question/list key information from question

2 - diagram

3 - step by step working out

4 - circled answer with correct units

P - 4 steps for complete solution (2 of 4 steps without errors)

1 - copy question/list key information from question

2 - diagram

3 - step by step working out

4 - circled answer with correct units

B - Incomplete

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