1 / 12

Fractions: Stage 4 – 5 AC -EA

Fractions: Stage 4 – 5 AC -EA. Honor Ronowicz honorr@waikato.ac.nz. Introducing fractions. What activities do you do when you introduce fractions to your students?. Equal sharing activities . Conveys the idea of parts to a whole. Proportional reasoning activities

macha
Download Presentation

Fractions: Stage 4 – 5 AC -EA

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Fractions: Stage 4 – 5AC -EA Honor Ronowicz honorr@waikato.ac.nz

  2. Introducing fractions What activities do you do when you introduce fractions to your students?

  3. Equal sharing activities • Conveys the idea of parts to a whole. Proportional reasoning activities • Its about relative size Measurement Activities • Fractions are numbers with magnitudes

  4. Measurement Activities • Use fraction tiles to measure around the class. • Measure the students feet cuts outs with Cuisenaire rods • Make gingerbread men and measure them • Emphasize that the size of the object is defined by the size of the original unit (tile,rod)

  5. Top and Bottom Numbers • What does the bottom number in a fraction tell us? • What does the top number in a fraction tell us? • The top number counts • The bottom number tells what is being counted • A shorthand symbol for how many of what? ½

  6. You have 12 jelly beans to place evenly on the cake. If you get a ¼ of the cake how many jelly beans do you get? Equal sharing activities

  7. Moving Stage 4-5 • Advanced Counters to Early Additive • Level 1- level 2 • Counters to adders

  8. Play time! • Finding Fractions • Double and half • Double somersaults • Find a fourth • Flipping fractions • Shark attack • And others

  9. Books! • The Great Divide

  10. e-ako • www.nzmaths.co.nz

  11. Proportional reasoning • Bigger and smaller activities • Balancing a see saw.

  12. The Key Ideas • Language • Relate equipment/models to symbol • Sharing measuring and proportional reasoning • Add/sub strategies link to Fractions. • Use lots of equipment. • Allow explorations, investigations and discussions. • Don’t rush to teaching rules!

More Related