Algebra in the primary curriculum
 

Number sentences - third and fourth class

Content for third class

The child should be enabled to

  • Translate an addition or subtraction number sentence with a frame into a word problem (frame not in initial position) e.g. 3 + 7 = __, translated to ‘Mary has three sweets, she gets seven more, how many has she now’?
  • Solve one-step number sentences such as 400 - __ = 350 or 810 + 23 = __

Content for fourth class

The child should be enabled to

  • Translate an addition, subtraction, multiplication or division number sentence with a frame into a word problem (frame not in initial position)
  • Translate a one-step word problem into a number sentence e.g. Rita has 18 toy cars, she wants to arrange them in 3 rows, therefore 18 = 3 x _
  • Solve one-step number sentences.
    Discuss and record solutions for open number sentences e.g. 3 + __ < 7 or 5 + __ > 8?