目次
9 How to Multiply(2‐digit number)×(1‐digit number):Let’s think about how to calculate easily.
10 Multiplication with 1‐digit Numbers:Let’s think about how to multiply in vertical form.
11 Large Numbers:Let’s explore how to represent numbers and their structure.
12 Decimal Numbers:Let’s explore how to represent the size of the remaining part and its structure.
13 Triangles and Angles:Let’s explore the properties of triangles and how to draw them.
14 Multiplication with 2‐digit Numbers:Let’s think about how to multiply in vertical form.
15 Fractions:Let’s explore how to represent the size and the structure of a number by measuring and dividing.
16 Weight:Let’s explore how to represent weight and its structure.
17 Math Sentences Using the □:Let’s represent the relationship between numbers as a math sentence using the □.
18 Utilization of Data:Let’s interpret tables and graphs.
19 Japanese Abacus:Let’s think about how to represent numbers and calculate using an abacus.
20 3rd Grade Summary:Let’s review what we have learned in 3rd grade.
More Math!