B3 Mathematics · Term 1, Week 12
Number Operations (Addition, Subtraction, Multiplication and Division)
Full lesson notes coming
Notes for this lesson are being prepared. The curriculum details below are complete and ready to use for your planning.
Curriculum details
- Strand
- Number (Strand 1)
- Sub-strand
- Number Operations (Addition, Subtraction, Multiplication and Division) (1.2)
- Content standard
- B3.1.2.4 - Develop and apply personal and standard strategies for adding and subtracting within 1000
- Indicator
- B3.1.2.4.3 - Develop and explain estimation strategies to estimate the solution for a given word problem involving addition or subtraction sums up to 1000
- Suggested placement
-
Term 1, Week 12
(Week 12 of the year)
Our suggestion, laid out in curriculum order across three terms of twelve weeks. NaCCA does not fix the week, so follow your school's scheme of learning.
- Curriculum reference
-
Mathematics Curriculum for Primary Schools (Basic 1-3), 2019, p. 53
Transcribed from the official NaCCA publication. Check this page against the source.
Exemplars (from the NaCCA curriculum)
E.g. 1. To estimate the sum of 430 + 561, use 400 + 500. The sum must be close to 900; to estimate the different of 660 and 430, use 600 and 400 or 700 and 400. The difference must be close to 200 or 300.)