Measurements & numbers

• how to find the area of a rectangle?

  multiply the length of the rectangle by the width of the triangle
• how to find the area of a circle?

  pi times the radius squared
• how to find the area of a SQUARE

  length times width
• definition of area?

  how many cubes you can fit inside a shape or area
• definition of perimeter?


  The boundry around an area or shape
• perimeter or a circle


  2pi times radius
• perimeter of square


  add up all the lengths on all 4 sides
• perimeter of rectangle


  add the lengths of all four sides
• what is short division


  a formal method of division often used when dividing any number by one digit number
• what is long multiplication


  multiplying a 2 digit number by another 2 digit or more number
• 1ml- 1cm
• 1L- 1000cm
• converting 1000L-1000000cm
• cm-mm x10
• mm-cm divide 10
• m-mm x1000
• mm-m divide 1000
• km-m x1000
• m-km divide 1000
• m-cm x 100
• cm-m divide 100
• b- brackets i- indices d- division M- multiplication A- addition S-ubtract
• +- = -
• ++= +
• -- = +
• x- = -
• xx= x