What do you notice? What do you wonder?
Spark Image
Estimation Prompt: Video
Estimation Prompt: Image
Estimate: Reveal Video
Estimate: Reveal Image
Struggle Prompt: Image
Reveal Video #1
Reveal Image
Reveal Video #2
Reveal Image
Consolidation Prompt #1
Why is it helpful to break apart/decompose 8 into 3 and 5 in this question, rather than 4 and 4?
Consolidation Prompt #2
If you were trying to subtract 8 from 22, how should 8 be decomposed? What about 24 – 8?
Show your thinking on a numberline.
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