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## singapore math in action

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**singaporemathinaction**Session 1 singapore math overview Yeap Ban Har National Institute of Education Singapore www.banhar.com**Number Bonds**Number Bonds is emphasized prior to the learning of addition. Children are given, say, 5 unifix cubes and guided to see that 1 and 4 make 5, for example. Others may say that 3 and 2 make 5 or 4 and 1 make 5. Yet others may say that 5 and 0 make 5. Earlybird Kindergarten Mathematics (Standards Edition)**singaporemathinaction**PCF TelokBlangah Kindergarten**One duck is big.**Six ducklings are small. PCF TelokBlangah Kindergarten**singaporemathinaction**PCF TelokBlangah Kindergarten**singaporemathinaction**PCF TelokBlangah Kindergarten**singaporemathinaction**Jerome Bruner’s Theory of Representations • Enactive • Iconic • Symbolic**Number Bonds**continues to receive attention in Grade 1. My Pals Are Here Mathematics Textbook 1A**singaporemathinaction**Two materials are used on this textbook page – unifix cubes and maths balance. What mathematical concepts are embodied in these materials? Is the sequence developmental? Why the need to have both lessons? Think!**3 + 1 = 4**The materials embody the part-whole concept and the notion of conservation of numbers. 3 + 4 = 7 The materials embody the concept of equality and give meaning to the equal sign. My Pals Are Here Mathematics Textbook 1A**The maths balance in a Singapore classroom is used with a**teacher-created equation board to help first graders master the concept of the equal sign. Students who do not receive high-quality instruction often perceives the equal sign as a signal to give an answer and make mistakes such as 4 + 3 = 7 + 5. singaporemathinaction Princess Elizabeth Primary School**In the previous section, we saw Bruner’s theory translated**into practice in the learning of numbers bonds. In the next section, we discuss the applications of number bonds as the foundation for mental computations – another basic in Singapore Math. Let’s Consolidate singaporemathinaction**57**singaporemathinaction**Find the value of 57 - 5**57 singaporemathinaction 50 7**Find the value of 57 - 9**57 singaporemathinaction 40 17**Find the value of 57 - 9**57 singaporemathinaction 48 9**Find the value of 57 ÷ 3**57 singaporemathinaction 30 27**Find the value of 57 ÷ 3**57 singaporemathinaction 60 -3**Find the value of 57 ÷ 4**57 singaporemathinaction 40 17**Find the value of 57 x 4**57 singaporemathinaction 50 7**singaporemathinaction**As you use the tens frame in the next activity, think about what your students learn in the use of tens frame to learn addition facts. Think!**LEAP Program in Manila,**The Philippines singaporemathinaction**LEAP Program in Manila,**The Philippines singaporemathinaction**singaporemathinaction**Singapore Math uses the CPA Approach derived from the Bruner’s theory of representations of mathematical ideas. Singapore Math does not focus on computations per se. In fact mathematics is seen as ‘an excellent vehicle for the development and improvement of a person’s intellectual competence”. Summary**singaporemathinaction**Two other major theories are fundamental to Singapore Math – Dienes’ Theory and Skemp’s Theory. These will be dealt with in the next session on textbook study. Looking Forward