SME
Grade 6 Math · Problem type
Positive and negative numbers in context
Use this for “A drop of 8 degrees is −8”: everyday positive and negative amounts.
Sort
Positive, negative or zero?
Tap a card, then tap its group.
Assumptions
•
Positive and negative numbers name opposite directions: above and below, gain and loss.
•
Zero is the starting point: sea level, 0 °C, nothing owed.
•
A debt of $30 is −30 dollars in the account.
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Related lessons
Integers and rational numbers
Main lesson
How much warmer or colder?
Use this for the change from −5 °C up to 3 °C, or a drop from 8 °C to −2 °C.
Compare rational numbers
Use this to compare −8.5 and −8, or −6 and 4, on the number line, and their absolute values.
Order rational numbers
Use this for “Order from least to greatest: −6, −2 1/2, 3/4, |−5|.”