![]() ![]() ![]() Students will build and extend their knowledge and skills working with two-digit and three-digit numbers. This unit covers 3-digit numbers, comparing 3-digit numbers, and counting within 1,000. The emphasis in this unit is on understanding the concept of repeated addition. Repeated addition is used to prepare students for learning the concept of multiplication, which is also associated with a part-whole model for the given number of equal parts and the number in each part. Students were introduced to the concept of repeated addition in Grade 1. This unit covers odd and even numbers and repeated addition. Making and breaking 10 are foundational skills that support mathematical concepts of place value, standard algorithm and algebraic thinking. Students will review composing and decomposing numbers using number bonds, making or breaking ten, adding to a ten or subtracting from a ten. Students will add and subtract numbers to 20 mentally using the strategies they learned in Grade 1. This unit covers a review of mental math. Students will use number words, number bonds and place value chart to represent numbers in multiple ways.ΔΆ nd Grade Singapore Math Scope and Sequence The initial lessons in the Singapore Math second grade are both a review and an extension of content covered in the prior grade that includes relating 2-digit number numbers to the place-value concept and 2-digit numbers as tens and ones. Prior to starting Singapore Math Grade 2, students should already know that numbers have order, view a group of objects as a unit and how to count within 120, add and subtract within 100. Metric measurement of length, customary measurement of length, time, money, representing and interpreting data, and reasoning with shapes. Review of addition and subtraction within 20, working with equal groups, numbers to 1,000, adding and subtracting within 100, adding within 1,000, subtracting within 1,000, and solving word problems involving addition and subtraction. For your reference, the following topics in our curriculum correspond to Singapore Math practice Grade 2 in levels 2A and 2B: Singapore Math 2a ![]()
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