1. Standard From: Subtracting in standard form
Silent
Teacher
Intelligent Practice
Narration
Your Turn
5× − 4× 10 4
15× −(5.1× 10 4 )
15× − 3× 10 4
Practice

2. Worked Examples
Your turn
7× −(4× 10 4 )
6× −(2× 10 7 )
7× −(0.4× 10 4 )
6× −(0.2× 10 7 )
7× −(0.4× 10 4 )
6× (0.2× 10 8 )
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3. 𝐴) 5× − 4× 10 4
𝐵) 15× −(5.1× 10 4 )
𝐶) 15× − 3× 10 4
𝐷) 5× 10 −4 −(4× 10 −4 )
𝐸) 5× − 4× 10 4
𝐹) 50× −(4× 10 5 )
𝐺) 30× 10 −3 − 4× 10 −4
𝐻) 136,000− 40× 10 3
𝐼) × − 35× 10 −2
𝐽 ) 1,360× 10 −2 − 0.004× 10 3
@gjmcconnell88

4. 𝐴) 5× − 4× 10 4
𝐵) 15× −(5.1× 10 4 )
𝐶) 15× − 3× 10 4
𝐷) 5× 10 −4 −(4× 10 −4 )
𝐸) 5× − 4× 10 4
𝐹) 50× −(4× 10 5 )
𝐺) 30× 10 −3 − 4× 10 −4
𝐻) 136,000− 40× 10 3
𝐼) × − 35× 10 −2
𝐽 ) 1,360× 10 −2 − 0.004× 10 3
𝟏× 𝟏𝟎 𝟒
𝟗.𝟗× 𝟏𝟎 𝟒
𝟏.𝟐× 𝟏𝟎 𝟓
𝟏 × 𝟏𝟎 −𝟒
𝟒.𝟔× 𝟏𝟎 𝟓
𝟐.𝟗𝟔× 𝟏𝟎 −𝟐
𝟗.𝟔× 𝟏𝟎 𝟒
𝟒.𝟒𝟗𝟔𝟓× 𝟏𝟎 𝟐
𝟗.𝟔 × 𝟏𝟎 𝟎
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