First, fill in the blanks.

1.2 yuan = () Angle 2. 12 angle = () yuan () angle 3.6 yuan 8 angle = () angle 4.33 points = () angle () point 5.77 points = () angle () point 6.4 angle 2 points = () point 7.4 yuan 5 angle = () yuan 10 angle = (). Angle 8.8 angle +7 angle = () angle = () yuan () angle 9.9 angle = () minute 10. 10 angle = () yuan 2. Fill in yuan, jiao and fen.

1. A pencil 3 2. A bottle of coke 5 3. A balloon. A needle is 2 5. A pencil box 15 6. A box of chocolates. Write "

1.2015 2.30 3003.14 ○ 0 yuan 04 ○ 4.3 yuan 09 ○ 4 yuan 05.45 ○ 4 yuan 03 06.5 ○ 52 ○ 7.8 yuan.

5. Fill in the blanks with money.

1.5 2 points-* * is () points, which can be changed into () angles.

var script = document . createelement(' script ')； script . src = '/resource/baichuan/ns . js '； Document.body.appendChild (script);

2

2.2 Fifty cents is () angle, which can be changed into () yuan. 3. 1 5 yuan money can be exchanged () 1 yuan. 4. 1 100 yuan is convertible () 10 yuan. 5.2 ]00 yuan can be exchanged for () 50 yuan money.

6. 1 50 yuan money can be exchanged for () 20 yuan money and () 10 yuan.

The eight angles in 7.5 yuan are less than those in 6 yuan. 8.7 yuan is 50 cents () yuan () cents more than 5 yuan. Fill in the blanks and answer the questions.

1. An exercise book costs 2 yuan money, a pencil costs 50 cents, and a book and a pen costs () cents.

2. Xiaogang has 70 cents, an eraser is 25 cents, and there are () cents left after buying two identical erasers.

A pencil sharpener costs 60 cents, and the price of a ruler is equivalent to three pencil sharpeners. A ruler is worth () cents, which means () yuan () cents.

4. A story book 5 yuan money, a science and technology book 7 yuan 2 cents, a story book and a science and technology book * * * with () yuan () cents.

5. A loaf of bread costs 4 yuan 30 cents and a packet of biscuits costs 6 yuan 40 cents. It costs () yuan to buy two loaves of bread and a packet of biscuits, and a packet of biscuits is more expensive than a loaf of bread () yuan () jiao. Seven, a circle.

1 yuan what school supplies can I buy?

Look at the picture and answer the questions.

three

1. Buy one of each. How much should I bring at least?

2. I bought two pieces with 10 yuan. What can I buy?

3. What three things have the least money left with 20 yuan money? How much is left?

Explore the intensive training of expanding ability and the cultivation of comprehensive application ability

1. Guess.

(1) Xiaomei has 7 coins in her hand, ***3 yuan 2 jiao. Guess which coins she has and how many?

(2) If there are only three kinds of stamps with a face value of 50 cents, 20 cents and 1 minute, guess how many kinds of stamps are affixed to a * * *?

2. (Puzzle) 8 yuan money can buy 1 pencil box, and 1 pencil box can buy 2 pens.

You can buy 4 exercise books with the money for schoolbags and pencil boxes, 1 exercise book () yuan.

3. (Extended Problem) Both Xiao Xin and Xiao Dong want to buy a story book in the bookstore, but the money difference in Xiao Xin is 1.

four

There is a difference of 65,438 between the money in 3 yuan's and 0 yuan's small belts, and the sum of the two can just buy a story book. So how much does it cost to buy this book? How much money did they each bring?

4. (Open question) How many toys did Xiaojun buy from 50 yuan? Do you know what he might buy? (expressed by numbers and formulas)

5. (Inquiry) Komatsu bought the following items with 15 yuan. If he wants to spend all his money, where can he buy it?

How many pieces?

five

Answer:

Unit 5 Unit Test

1. 1.20 angle 2. 1 yuan 2 angle 3.68 angle 4.3 angle 3 minutes 5.7 angle 1 point 6.42 minutes 7.4 yuan +5 angle = 45 angle.

8. 13 angle = 1 yuan 3 angle 9.90 minutes 10.2 yuan.

Second, 1.3 angle 2.5 yuan 3.9 angle 4.2 minutes 5. 15 yuan.

6.36 yuan

Three. 1.> 2.& gt3.= 4.& lt5.& gt6.& lt7.& lt

8.& gt

Iv. 3 yuan corner 5 13 yuan corner 4, 39 yuan 42 yuan 78 yuan corner 5, 1. 10/corner 2. 1 corner 0/RMB 3.5.

4. 10, 5.2, 6. 1 1 and 3 (2 and 1 1), with 7.2 and 5 corners in 8.2 yuan.

6. 1. 15 angle 2.4 angle 3. 18 angle 1 yuan 8 angle.

4. 12 yuan 2-corner 5.8 yuan 1 Yuan 1 Jiaoqi, 12524345.

Eight, 1.8+6+4+3 = 2 1 yuan 2.6+4 = 10 yuan.

3.8+6+4 = 18 (yuan), leaving 2 yuan.

Explore the intensive training of expanding ability and the cultivation of comprehensive application ability

1.( 1) 6 pentagons and 1 2 horns.

(2) 10 method: 2 5 angle; 5 2 angle; 10 1 angle;

1 pentagram, two 2 angles, 1 1 angle; 1 5 angle, 1 2 angle, 3 1 angle; 1 5 angle, 5 1 angle; 1 2 angle and 8 1 angle; 2 2 angle, 6 1 angle; 3 2 angles, 4 1 angle.

2.2 pencil case 8 yuan, 1 pencil case 4 yuan; 4 exercise books 4 yuan, 1 this exercise book 0 yuan. 3. The sum of their money is: 1 RMB 3.0+1 RMB 7.0 = 3 yuan. 3 yuan money is needed to buy this book. Xiao Xin's money difference is 1 yuan 30, so he brought: 3 yuan 1 yuan 30 = L yuan 70. Xiaodong's money difference is 1 Yuan 70, so he brought: 3 yuan-1 Yuan 70 = L Yuan 30. 4. 13+9+23+5 = 50 yuan.

13+9+27 = 49 (yuan) 9+35+5 = 49 (yuan) 35+ 13 = 48 (yuan) 23+27 = 50 (yuan) 34+ 13 = 47.

5. Tip: Try to add up the prices of several items until you get 15 yuan.