目次
10 Round Numbers:Let’s think about how to represent and calculate approximate numbers.
11 Math Expressions and Operations:Let’s interpret math expressions using the rules of operations.
12 Decimal Numbers:Let’s explore how to represent decimal numbers and their structure.
13 Japanese Abacus:Let’s think about how to represent and calculate numbers.
14 Area:Let’s explore how to represent and how to find out the size of area.
15 Let’s think about how to calculate:Let’s think about judicious ways for how to calculate with decimal numbers.
16 Multiplication and Division of Decimal Numbers:Let’s think about how to multiply and divide in decimal numbers in vertical form.
17 Fractions:Let’s think about the size of fractions and how to calculate.
18 Cuboids and Cubes:Let’s explore the properties of shapes of boxes and how to make them.
19 Quantities Changing Together:Let’s investigate how two quantities change and their relationship.
20 Utilization of Data:Let’s interpret composite graphs.
21 4th Grade Summary:Let’s review what we have learned in 4th grade.
More Math!
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- 和書
- 失踪と絆の間で