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Find the support you need for major Singapore-based math curriculum – lesson plans, training videos and worksheets.
Cross grades (1-5) lesson plans, unlimited pdf worksheets download and guided videos
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Kar Hwee Koh, Ed.M,
Tze-Ping Low, Ph.D
Husband and wife team both grew up in Singapore and are now living in Massachusetts, USA.
Kar Hwee has been teaching math in premier schools in Singapore before relocating to the United States. She has extensive experience as a math coach to new teachers, and is well versed in areas of problem solving heuristics, early algebraic thinking and lesson study. She speaks regular at national education conferences.
Tze-Ping is a recovering electrical engineer who used to research technologies for new generations of wireless communications. He is interested in web and mobile programming and recently taught classes in robotics projects.
- Sine, Cosine and Tangent in the Four QuadrantsRemember this picture? We used it to remember the signs of the three primary trigonometry ratios – Sine, Cosine and Tangent in the four quadrants. Each letter (of ASTC or CAST) represents the trigonometry function that is positive in each quadrant, e.g. Cosine is positive in the 4th quadrant etc., and All three are positive …
- Connecting the DotsHappy Snowy Halloween! Here in Boston, we just had our first snow of the year yesterday. It feels like Mother Nature is reminding us about the upcoming winter. We would like to take the chance to share some thoughts about “Connections” today. A math lesson should not be questions after questions. It is important …
- Online Math ClassesHere’s an email we sent out to our subscribers this week about live online math classes in summer. We’ve received many queries and have since completed several free evaluation sessions over Zoom. Unlike the online membership program for teachers, our small group live lessons are offered from Kindergarten through high school levels. Spaces are still …
- Using Ten Frames for SubtractionTen frames is a useful visualization tool when kids first learn about numbers and is often used to introduce addition at the kindergarten or pre-school level, but what about subtraction? How should we use properly ten frames for subtraction? Today, we will explain how we use ten frames to build up the number sense required …
- New App – Fraction Multiplication Area ModelIf you are teaching fraction multiplication using the area model, check out this new app that illustrate the model in operation!
- Bar Model – Trim or AddThe bar model is a useful visualization tool to interpret word problems, but there are more than one way to solve the problem after visualizing. Often, we jump straight to the methods we are used to without seeing that another approach might be easier. Take the choice of whether to trim or add for example, …
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