1. −7+𝑥=−6 3+𝑥=8 −7+𝑥=−7 𝑥+3=8 7+𝑥=−7 8=𝑥+3 7+𝑥=0 8=𝑥−3 −7+𝑥=0 9=𝑥−3
−7+𝑥= 1 2
𝑥−7= 1 2
𝑥+7= 1 2
3+𝑥=8
𝑥+3=8
8=𝑥+3
8=𝑥−3
9=𝑥−3
9=𝑥−4
7=𝑥−6
−7=𝑥−6
−7=−6+𝑥
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2. 3+𝑥=8 𝑥+3=8 8=𝑥+3 8=𝑥−3 9=𝑥−3 9=𝑥−4 7=𝑥−6 −7=𝑥−6 −7=−6+𝑥 𝑥=5 𝑥=11 𝑥=12
𝑥=13
𝑥=−1
−7+𝑥=−6
−7+𝑥=−7
7+𝑥=−7
7+𝑥=0
−7+𝑥=0
−7+𝑥= 1 2
𝑥−7= 1 2
𝑥+7= 1 2
𝑥=1
𝑥=0
𝑥=−14
𝑥=−7
𝑥=7
𝑥=7 1 2
𝑥=−6 1 2
Simplify formative assessment for teachers
Immediately demonstrate students’ level of understanding
Teachers share questions and students share explanations
Focused not on what a student got wrong but why