JHS2 Mathematics · Term 1, Week 7
Number Operations
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 (1.2)
- Content standard
- B8.1.2.2 - Apply the understanding of the addition, subtraction, multiplication and division of (i) whole numbers within 10,000, and (ii) decimals up to 1/1000, to solve problems and round answers to given decimal places.
- Indicator
- B8.1.2.2.1 - Add and subtract more than four-digit numbers.
- Suggested placement
-
Term 1, Week 7
(Week 7 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, Common Core Programme (JHS1-JHS3), 2023, p. 95
Transcribed from the official NaCCA publication. Check this page against the source.
Exemplars (from the NaCCA curriculum)
E.g.1. Use partitioning (or expanded form) and place value system to add and subtract whole and decimal numbers. (i) Add 896854 and 76329 896854 = 800,000+90000+6000+800+50+4 +76329 = 70000+6000+300+20+9 973183 = 900000+70000+3000+100+80+3 (ii) Add 3627.6 and 854.13 (iii) Subtract 37.85 from 193.6 3000+600 + 20 + 100 + 90 + 3627.60 7 + 60 193.60 3+ 6 + 0 100 10 100 = = - + + 800+50 +4 - (30 + 7+ 37.85 854.13 + 1 + 3 ---- 85 ) 10 100 100 3000+800 +600+ 100 + 90 + 20+ 50 + 7+ 4 = 3+ 60 -30-7- 85 + 60 + 1 + 3 ---- 100 100 100 10 100 100+ 90 - 30 + 3000+1400+ 70+ = 3-7 + 60 - 85 = 11+ 7 + 3 100 100 10 100 100+ 60 -7 3000+(1000+400) + = +3+ 60 - 85 70+ (10+1) + 70 + 3 100 100 100 100 100 + 53 + 2 + 4481.73 4000+400+80+1+ 73 = 160 - 85 100 100 100 155.75 = 155 + 75 100