Writing: writing: writing:

Reading: reading: reading:

( ? ) ten and (? ) a one () a ten and (? ) Geichi

Writing:? Writing:

Reading:? Read as:

Second, fill in.

1.54 has (? ) ten and () one.

2.4 Ten and six are one (? )。

3. Ten digits are 8, one digit is 0, and this number is (? )。

4.6 Ten and seven one is (? )。

5. 10 one is (? ), 100 contains () tens.

6.79 The first number is (), and the last two numbers are (), (? )。

7. From the right, the first position is (), and the second position is (? ), the third place is (? )。

The "6" in 8.68 is in (? ), say (? ) (? ); "8" is in (? ), say (? ) (? )。

Third, fill in the numbers in order.

Fourth, comparison.

28○27 8 1○9 1 9 1○89

39○93 ? 74○47 67○76

69+ 1○70 79+ 1○80- 1

Five, one point.

Sixth, do the math.

20+3= ? 46-40= 39+ 1= 5+70=

78-8= ? 90- 1= 27-20= 49+ 1=

69-9= ? 6+50= 9+30= 40- 1=

Seven, solve the problem.

1. Xiaohong jumped 37 times, the little boy jumped much more than Xiaohong, and the little girl jumped much more than Xiaohong.

How many times did the boy jump? (draw a "tick")? How many times did the girl jump? (Draw "√")

2.

I ate eight.

There are more than 20

? individual

How many apples are there?

□□□□□□ =□ (piece)

There used to be () apples

3.

There are 76 pieces. I bought six cucumbers for Xiaoming. How many cucumbers are left?

□□□□□ =□ (article)

A: There are () cucumbers left.