Really BIG numbers

Topics Year 4/5

Objectives

Science

  • To read and understand really BIG numbers.
  • To create a visual representation of BIG numbers.
  • To understand and use exponents for ‘10 to the power of…’
  • To measure accurately using scales.

Enquiry question
How big is a BILLION?

Outcomes
Children will:

  • Understand place value in numbers up to and beyond a billion.
  • Use everyday items to visually represents BIG numbers.
  • Begin to understand the use of ‘exponents’ to represent BIG numbers.
  • Measure carefully using measuring scales.

You Will Also Need

Rice (25kg bag if possible)
Ziploc bags for rice
Measuring scales
Calculators

Weblink
Astrogeekz video – Timeline of the Earth