UNIT 5: Arithmetic in Base Ten

UNIT 5: Arithmetic in Base Ten

DECIMALS, ADDING, SUBTRACTING, MULTIPLYING, DIVIDING DECIMALS

https://youtu.be/dj3tcEbWBDQ

https://youtu.be/Eq4mVCd-yyo

Ms. Kuqi bought a photo at a vintage giftshop for 17 cents and paid with a $5.00 bill. She is trying to figure out the change she will get back. What do you notice and wonder about her reasoning? Which reasoning is correct?

Open Ended

0.354+8.47=

Open Ended

63.284+27=

Open Ended

47.2−6.307=?

https://youtu.be/xBseQOzMB7A

student A

student B

Open Ended

1×0.8=?

Open Ended

3×0.5=?

Open Ended

0.3x0.6=?

https://youtu.be/D5fmcpNygQk

Open Ended

4.7×6=?

Open Ended

0.345×83.8=?

https://youtu.be/xXIG8ouHcsc

Open Ended

586÷18=?

https://youtu.be/xUDlKV8lJbM

Open Ended

12÷20=?

LESSON 12 & 13

https://youtu.be/Z_NHrwK6ALE

Open Ended

129.6÷3.6=?