1. () At the end, the children set out and did some problems on the way.

1. I'll fill it in.

(1) The two numbers adjacent to 39 are () and ().

(2) 10 decimal is (), 1 m = () cm.

(3)35 is () digits, one digit is (), which means (), and the ten digit is (), which means ().

(4) Xiaohong uses a ruler to measure the rubber, as shown in the following figure:

?

Xiaohong's eraser is () cm long.

(5) 100 contains () ten.

(6) fill in regularly.

15、( )35、45、( )

1 1、22、33、( )、( )

2. I can calculate

( 1)37-8= 4+46= 76-30= 28-9+40=

20+35= 38+9= 45+3= 45-40+32=

(2) column vertical calculation

66+23= 14+70= 83- 15= 63-7=

two

Just after (), the children came to the zoo.

1. The gate of the zoo is really beautiful. Let's see what graphics it is made of.

△ ○ □

() () () () () () ()

(1)○ There are () more than □ and () less than □.

(2) ○ and * * * have ().

(3) What other questions can you ask?

2. A red ribbon, minus15cm, leaving 25cm. How long is this ribbon?

(cm)

3. Draw √ where you think it is appropriate.

Boys and girls

33 37 60

There are 38 people in class one, and even fewer in class two. How many people are there in Class Two?

16 people, 36 people and 40 people

( ) ( ) ( )

The children brought some bananas to the monkey.

There are 30 monkeys in the zoo. If a monkey eats 1 banana, do they bring enough bananas? How to calculate it?

At (), the children were hungry and thirsty. They go shopping.

7 yuan 1 yuan

2 yuan 5 jiao 1 yuan 2 jiao

1 yuan 3 yuan

(1) I want to buy mineral water and biscuits. How much should I pay?

I have 5 yuan money. How much money do I have left to buy a bottle of coke?

(3) What other questions can you ask?

4. Just after (), the children finished their tour and went home by bus.

Take 8 people, take 20 people and take 45 people.

There are 40 children in the class. Please design a ride plan to see who has more ideas. Which method is ideal?

There are 97 students in Grade Five and Grade One who go to the park. Now there are only two cars, the first car can only take 35 people, and the second car can only take 50 people. How many people can't get on the bus?