1, count:

(1) When counting in a certain order, it can also be used as a marking method to avoid majority or omission.

(2) The quantity increases from front to back, and decreases from back to front.

(3) Which number is 1 and which number is a certain number.

(4)0 is also a number, indicating the starting point and also indicating no. A number adds or subtracts 0 to get itself.

2. Fill in numbers: for example, in the box, fill in numbers in positive sequence, numbers in reverse sequence, even numbers, odd numbers and five numbers; Fill in the ruler chart and arrow chart; Fill in adjacent numbers, such as () before 6 and () after 9. 3. Write down the number:

(1) For example, write from 2 to 8; Numbers from largest to lowercase, or numbers from smallest to uppercase. 0-9 occupies the left half (1 Japanese words) and 10 occupies the whole court (2 Japanese words).

(2) Look at the picture and write the number; Look at the counter chart and write numbers; Look at ideas and write numbers.

(3) Write the number of circles in two forms: how many circles are there, there are four apples on the picture, look at four circles and four; Look at the number and color it. Colour the number on the left or right, or circle the number on the left and the number on the right.

Pay attention to distinguish between several and several, for example; 5 and 5 (for 1).

(4) Look at the numbers and draw pictures. A * * * draw a few pictures, or a few make-up pictures.

4. Fill in the or = symbol and connect several numbers with the symbol (big mouth stands for large number and small tip stands for decimal number).

(1)) Comparison between numbers, comparison between formulas and numbers, comparison between graphs. Such as: 7 () 8; 9( )5+3; There are more triangles than circles ().

(2) Fill in the appropriate numbers on both sides of the equal sign. For example, 3+() = 8 6+() >; 9 (3) between several numbers, such as: 4, 9, 2, 102.

5. Count the number of categories: for example, there are several cuboids (all six faces are rectangular, and the faces are big and small), cylinders (the top and bottom are as thick as each other, and the top and bottom are as big as each other), balls (easy to roll) and cubes (all six faces are identical);

6. There are several in front and several behind. A * * * How many? There are a few on the left and a few on the right. * * * There are several. What number is Xiao Ming (only the number is 1)?