Practice comparing two decimals 1.1. Solving exercises in the textbook Practice page 43 Lesson 1: Put >, 84.19 47.5 = 47.50 6.843 < 6.85 90.6 > 89.6 Lesson 2: Write the following numbers in order from smallest to largest: 5.7; 6.02; 4.23; 4.32; 5.3 Solution guide: Comparing the given numbers, we have: 4.23 < 4.32 < 5.3 < 5.7 < 6.02. So the numbers … [Read more...] about Practice comparing two decimals

## Compare two decimals

Compare two decimals 1.1. Knowledge to remember a) Example 1; Compare 8.1m and 7.9m We can write: 8.1m = 81dm 7.9m = 79dm We have: 81dm > 79dm (81 > 79 because in tens there are 8>7) ie: 8.1m > 7.9m So: 8.1 > 7.9 (the integer part has 8 > 7) Of two decimals with different integer parts, the decimal with the larger integer part is larger. b) Example 2: … [Read more...] about Compare two decimals

## Equal decimals

Equal decimals 1.1. Knowledge to remember a) For example: 9dm = 90cm Which: 9dm = 0.9m should: 0.9m = 0.90m So 0.9 = 0.90 or 0.90 = 0.9 b) If you add zero to the right of the decimal part of a decimal, you get a decimal equal to it For example: 0.9 = 0.90= 0.900= 0.9000 8.75 = 8,750= 8.7500 = 8,75000 If a decimal number has a zero to the right of the decimal, … [Read more...] about Equal decimals

## Practice decimals

Practice decimals Instructions for solving exercises in the Practice Textbook Pages 38, 39 Lesson 1 of the textbook page 38: a) Convert the following decimal fractions to mixed numbers (according to the denominator): \(\frac{{162}}{{10}};\frac{{734}}{{10}};\frac{{5608}}{{100}};\frac{{605}}{{) 100}}\) Pattern: \(frac{{162}}{{10}} = 16\frac{2}{{10}}\) How to do: … [Read more...] about Practice decimals

## Row of decimals. Read and write decimals

Row of decimals. Read and write decimals Lesson 1: Given the following decimals: 8.97; 26,375; 103,036; 0.504; 115,032 a. State the integer and decimal parts of each number b. Write down how to read each given number Solution a. The decimal number 8.97 has an integer part of 8, a decimal part of 97 The decimal number 26,375 has an integer part of 26, a … [Read more...] about Row of decimals. Read and write decimals

## The concept of decimals

The concept of decimals 1.1. Knowledge to remember 1.1.1. The concept of decimals a) 1 dm or \(\frac{1}{10}\)m is also written as 0.1m. 1cm or \(\frac{1}{100}\) m is also written as 0.01m 1mm or \(\frac{1}{1000}\) m is also written as 0.001m The decimals \(\frac{1}{10}\), \(\frac{1}{100}\), \(\frac{1}{1000}\) are written as 0.1; 0.01; 0.001. 0.1 reads … [Read more...] about The concept of decimals

## Square millimeter. Table of units of area measurement

Square millimeter. Table of units of area measurement 1.1. Knowledge to remember a) Square millimeters For measuring very small areas, square millimeters are also used. Square millimeters is the area of a square with sides 1mm long. Square millimeter abbreviated as mm2. We see a square of 1cm2 including 100 squares of 1mm2. 1cm2 = 100mm2 1mm2 = … [Read more...] about Square millimeter. Table of units of area measurement

## Square decimeter. Square Hectometers

Square decimeter. Square Hectometers 1.1. Knowledge to remember To measure area, people also use units: square decimeter, square hectare. a) Square decimeterOne square decimeter (1dam2) * Square decimeter is the area of a square with side length 1dam. Square decimeter is abbreviated as dam2. • We see a square 1dam2 consists of 100 1 squaressquare … [Read more...] about Square decimeter. Square Hectometers

## Review Table of units of mass measurement

Review Table of units of mass measurement 1.1. Solve textbook exercises on pages 23 and 24 Lesson 1 of the textbook page 23: a) Complete the following table of units of mass measurement: Greater than kilogramki Kg Smaller … [Read more...] about Review Table of units of mass measurement

## Review Table of units of length

Review Table of units of length Lesson 1: Write the appropriate decimals in the dot a. \(3dm = \frac{3}{{10}}dm = ...m\) b. \(7cm = \frac{7}{{100}}m = ...m\) c. \(5dm = \frac{5}{{10}}m = ...m\) d. \(5cm = \frac{5}{{100}}m = ...m\) e. \(3mm = \frac{3}{{1000}}m = ...m\) f. \(7g = \frac{7}{{1000}}kg = ...kg\) Solution a. \(3dm = \frac{3}{{10}}dm = 0.3m\) b. … [Read more...] about Review Table of units of length