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Mathematics

Mathematics in the world around us

Educator section

Memorandum

Critical and developmental outcomes:

The learners must be able to:

1. identify and solve problems and make decisions using critical and creative thinking;

2. work effectively with others as members of a team, group, organisation and community;

3. organise and manage themselves and their activities responsibly and effectively;

4. collect, analyse, organise and critically evaluate information;

5. communicate effectively using visual, symbolic and/or language skills in various modes;

6. use science and technology effectively and critically, showing responsibility towards the environment and the health of others;

6. demonstrate an understanding of the world as a set of related systems by recognising that problem-solving contexts do not exist in isolation;

7. reflect on and explore a variety of strategies to learn more effectively;

8. participate as responsible citizens in the life of local, national, and global communities;

9. be culturally and aesthetically sensitive across a range of social contexts;

10. explore education and career opportunities; and

develop entrepreneurial opportunities.

  • Integration of Themes: Friends
  • Social Justice, Human Rights and a healthy environment: “I am in Grade 2 with many other children. Each learner needs to be happy. The educator needs a suitable learning environment in order to teach us.”
  • Discuss the learner’s responsibility to create such an environment.
  • Taking turns on the jungle gym is important – why? Discuss safety, manners, co-operation, etc.
  • Learners extend their number concept to 109 on the “jungle gym”. The activities include ordinals, names, symbols and counting forward and backward.
  • Position is established by places in the classroom, using a floor map of the room.
  • A graph is designed to be completed by collecting information.
  • Addition and subtraction are extended to +4, -4, +5, -5, +6, -6, +7, -7.
  • Bonds of 10 and 11 are discovered.
  • Directions are given to draw and colour a shape.
  • Measuring with thumbs and comparison of these measurements using the related vocabulary.

Leaner section

Content

Activity: number sentence [lo 1.1, lo 1.2, lo 1.4, lo 2.2]

  • Slips and slides on the jungle gym.
  • Fill in the numbers as you climb the steps and slide down the slides.
LO 1.1 LO 2.2
  • Fun with numbers on the Jungle Gym.
  • Count to a friend.

2. Count all the numbers from 0 → 59 on the Jungle Gym.

3. Begin from 0, count in 2’s to 58.

  • These are the _____________ numbers (even, uneven)

1. Begin at 58. Count back in 2’s to 0.

2. Begin from 1, count in 2’s to 59.

  • These are the _____________ numbers (even, uneven)

1. Begin from 59. Count back in 2’s to 1.

2. Begin from 0. Count in 3’s to 30.

  • Write them:

0, 3, __, __, __, __, __, __, __, __, 30

1. Begin from 30. Count back in 3’s to 0.

  • Begin from 30. Count back in 3’s to 0.

30, 27, __, __, __, __, __, __, __, __, 0

2. Tel in 10 ‘e tot by 100.

  • Write them:

10, __, __, __, __, __, __, __, __, 100

LO 1.2
  • Which number comes between _____________?
  • Write their names:
  • Count in 10’s:

Questions & Answers

a perfect square v²+2v+_
Dearan Reply
kkk nice
Abdirahman Reply
algebra 2 Inequalities:If equation 2 = 0 it is an open set?
Kim Reply
y=10×
Embra Reply
if |A| not equal to 0 and order of A is n prove that adj (adj A = |A|
Nancy Reply
rolling four fair dice and getting an even number an all four dice
ramon Reply
Kristine 2*2*2=8
Bridget Reply
Differences Between Laspeyres and Paasche Indices
Emedobi Reply
No. 7x -4y is simplified from 4x + (3y + 3x) -7y
Mary Reply
is it 3×y ?
Joan Reply
J, combine like terms 7x-4y
Bridget Reply
im not good at math so would this help me
Rachael Reply
how did I we'll learn this
Noor Reply
f(x)= 2|x+5| find f(-6)
Prince Reply
f(n)= 2n + 1
Samantha Reply
Need to simplify the expresin. 3/7 (x+y)-1/7 (x-1)=
Crystal Reply
. After 3 months on a diet, Lisa had lost 12% of her original weight. She lost 21 pounds. What was Lisa's original weight?
Chris Reply
preparation of nanomaterial
Victor Reply
Yes, Nanotechnology has a very fast field of applications and their is always something new to do with it...
Himanshu Reply
can nanotechnology change the direction of the face of the world
Prasenjit Reply
At high concentrations (>0.01 M), the relation between absorptivity coefficient and absorbance is no longer linear. This is due to the electrostatic interactions between the quantum dots in close proximity. If the concentration of the solution is high, another effect that is seen is the scattering of light from the large number of quantum dots. This assumption only works at low concentrations of the analyte. Presence of stray light.
Ali Reply
the Beer law works very well for dilute solutions but fails for very high concentrations. why?
bamidele Reply
how did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit Reply
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Source:  OpenStax, Mathematics grade 2. OpenStax CNX. Oct 15, 2009 Download for free at http://cnx.org/content/col11131/1.1
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