Students are able to practice their calculation skills and solve word problems related to
cardinal numbers not exceeding 100,000; read and write Hindu-Arabic and Thai numerals and
written forms showing cardinal numbers not exceeding 100,000; tell the missing numbers in the
patterns of numbers which increase or decrease in equal amount each time; compare and arrange
cardinal numbers not exceeding 100,000 from situations; find the value of the variable in the
number sentence showing addition and subtraction of the cardinal numbers not exceeding
100,000; add, subtract, multiply, divide, and mix addition, subtraction, multiplication, and division of cardinal numbers not exceeding 100,000; show the two-step working of finding the answer to problems of cardinal numbers not exceeding 100,000; show the method of finding the answers to the problems involving time and duration; identify 2-D geometric shapes which have axis of symmetry and the number of axis of symmetry; write a pictograph and use the information from the pictograph to find the answer for the problems; write a one-way table from the information which is the cardinal number and use the information from a one-way table to find the answer for the problems; tell, read and write fractions showing quantity of objects and show objects according to determined fractions; compare fractions with same denominators; numerators are less or equal to denominators; add fractions with same denominators contributing to sums not exceeding 1 and subtract fractions with same denominators; show the working to the problem in adding fractions with same denominators contributing to sums not exceeding 1 and subtracting fractions with same denominators; find the value of the variable in the number sentence showing the multiplication of one-place numerals and numerals not exceeding four-place, numerals not exceeding two-place and two-place; find the value of the variable in the number sentence showing the division of dividends not exceeding four-place; dividends not exceeding one-place; use the appropriate measuring tools to measure and tell the length of things in centimeter and millimeter, meter and centimeter; estimate the length in meter and centimeter; compare the length between centimeter and millimeter, meter and centimeter, kilometer and meter from various situations; show the method of finding the answers to the problems involving length with the units of centimeter and millimeter, meter and centimeter, kilometer and meter; use the appropriate weighing tools to measure and tell the weight in kilogram and kheed, kilogram and gram; estimate the weight in kilogram and kheed; Compare the weight between kilogram and gram, metric ton and kilogram from various situations; show the method of finding the answers to the problems involving weight with the units of kilogram and gram, metric ton and kilogram; use the appropriate measuring tools to measure and compare volume; capacity in liter and milliliter; estimate the volume and capacity in liter; show the method of finding the answers to the problems involving volume and capacity with the units of liter and milliliter; show the method of finding the answers to the problems involving money.

These can be done by mathematics skills and process, life and technology skills for the
student to be able to communicate, think and solve problems. These are for the students to be
disciplined, keen on studying, determined in working, live sufficiently, appreciate Thainess,
honest, public-minded, appreciate and have good attitude towards mathematics.