Multiplication Tables of 3 and 4

Multiplication Tables of 3 and 4 Having learned the multiplication facts for the “friendly” numbers of 2, 5 and 10 in the previous blog post, we’re now ready to tackle multiplication tables of 3 and 4, usually in the latter half of second grade. Under a spiral approach, students move on to learn other topics […]

How to Introduce Multiplication Tables for 2, 5 and 10

Multiplication tables for 2, 5 and 10 are the first set of multiplication tables students learn in 2nd Grade because they follow easy-to-remember patterns and are therefore more “friendly” than other multiplication tables. In this blog post, we’ll talk about some of the more important concepts to focus on, extending what we’ve learned in the

Is Singapore Math Not Working for Your School?

Is Singapore math not working for your school? Have your school district switched to using Singapore math curriculum a few years ago, promising better mathematics instructions and deeper conceptual understanding, only to find that not only has test scores not improved, but more teachers are feeling frustrated about adopting the new methods they are not

How to Introduce Multiplication and Division in Early Elementary Levels

Multiplication and Division is the next step up from addition and subtraction, and should be taught with a graduated spiral approach throughout the elementary school years. Both concepts can and should be introduced together, as early as second grade. Before building up fluency in multiplication tables, students should first understand the concepts of multiplication and

How do you teach multiplication by negative numbers?

Multiplication by negative numbers is usually introduced in middle school, and may be tricky to teach. In particular, the bar models that were so helpful when we solve multiplication and division problems for whole numbers and fractions in elementary grades are suddenly not very useful anymore. In our teaching, we do not use bar models

Worked Solution – Math In Focus Workbook 3A Chapter 9 Page 168 – Two-Step Multiplication Word Problem

This is a question from Math In Focus Workbook 3A Lesson 9.2 (Real-World Problems: Two-step Problems with Multiplication): Jill has 28 stickers. Peggy has 4 times as many stickers as Jill. Luis has 15 fewer stickers than Peggy. How many stickers does Luis have? Solution: Peggy has P = 4 x 28 = 112 Luis

Webinar – Navigating the Major Cluster of the Common Core Math Standards for Elementary Schools

The Common Core standards covers a lot of ground for each grade. If you’re new to the Singapore-based textbooks such as Math In Focus and Primary Mathematics, you may be wondering how you can cover all the materials, and meet the standards requirements at the end of the school year. On Sunday Feb-11th 2018, please

Upcoming Webinar – Teach Logic Reasoning with Twelve Days of Christmas

A while ago, we created a worksheet that uses the lyrics of the Christmas carol “Twelve Days of Chirstmas” to illustrate a problem in logic reasoning. On Saturday Dec-16th, join us for for another live webinar by Kar-Hwee, where she’ll share how to use this free worksheet to teach mathematical reasoning for three groups of

Double Unit Conversions

This is a typical double unit conversion problem in 7th grade that asks students to convert between two “rates”. If Mike is traveling at 60 miles per hour and Pete is traveling at 95 feet per second. Who is traveling faster? In feet per second, how much faster is he going? Solution We usually present

Video Lesson on Using Bar Models for Multiplication and Division

How about a video mini-lesson on using bar models for multiplication and division? In this short video, Kar-Hwee walks through some examples of solving 2-step word problems involving the 4 operations.

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