Add and subtract decimals to tenths
Round decimals to the nearest one
Estimate sums and differences by rounding the numbers being added or subtracted to the nearest one
Math Talk:
See Math Talk image below
Polypad:
Fraction bars and circles
(select to represent as decimals)
Reflect
Reflect in your math journal. Draw, create or write to share your thinking. See Lesson guide 53 for more reflection questions, real life anchoring ideas, playful explorations and creative invitations.
Two numbers have a sum close to 5.0. At least one number is a decimal. One number is bigger than the other. What might they be?
When might someone choose to estimate instead of calculating the exact answer?
When might you estimate decimals
When did you want the exact answer?
Where in your life do you use “just about” or “almost” or “ish”—and how does it feel?
Math Talk:
What Math Lives Here?
Have a conversation about this image. Be curious. Be creative. Can you see in different ways?
coming soon
