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People's education printing plate sixth grade first volume mathematics exercises and answers.
First, write the number directly.
45+32=77 6+73=79 18+6=24 30+29=59 36+22+4=62
25-4=2 1 46-30= 16 49-9=40 39-39=0 8×3+6=30
37-0=37 0×3=0 4×7=28 5×3= 15 53-3+9=59
8×8=64 66+35= 10 1 70-8=62 9×3-7=20 37-32-5=0
Fill in the blanks.
1, 100 1 cm long line segments are connected one by one to form a long line segment, which is _ _ _ _. ( 1cm× 100 = 100cm = 1m)
Xiao Ming has two coats and two trousers of different colors. He can wear them in _ _ different ways. (2×2=4)
3, three children, a table tennis match, once for every two people, a * * * play _ _ _. (3 times)
Third, use mathematics.
1, Xiaoming has 7 pictures, and Xiaogang has 5 times as many as Xiaoming. How many pictures does Xiaogang have?
7×5=35 (sheets)
Xiao Gang has 35 photos.
2. In physical education class, Class Two, Grade Two, the teacher asked 23 students to play basketball and 19 students to do exercises.
How many students are there in the class? ② How many more students play basketball than do exercises?
(1)23+ 19=42 (person)
(2)23- 19=4 (person)
There are 42 students in the class. There are four more students playing basketball than doing exercises.
People's education printing plate sixth grade first volume mathematics exercises and answers.
First, choose
1, a commodity is sold at a 10% discount, which means that the price is lower than the original price (d).
a、90%B、9%C、 1/9D、 10%
2. The output of rapeseed this year is higher than last year 1/5, which is (c).
A, this year's rapeseed output is 102% of last year's B. Last year's rapeseed output was 20% less than this year's.
C. The rapeseed output this year is 120%D of last year, and the rapeseed output this year is 100.2% of last year.
3, 25% of the number of male employees is equal to 30% of the number of female employees, so the comparison between the number of male employees and the number of male employees is (a)
A, the number of male workers is more than B, the number of female workers is more than C, and the same number D is incomparable.
4. The price of a tape recorder has dropped from 220 yuan to 120 yuan. What is the decrease? The correct formulation is (d).
a、 120 \u 220 b 、( 220- 120) 120 c、220 \u 120d 、( 220- 120)220
5. On April 5th, Wang Leehom deposited 2,000 yuan in the bank, with a monthly interest of 0. 12%. How much after-tax interest will he get by June 5? (After-tax interest is 5%) The correct formula is (b).
a、2000×0. 12%×( 1-5%)B、2000×0. 12%×2
c、2000×0. 12%×2×( 1-5%)D、2000+2000×0. 12%×2×( 1-5%)
Second, there are only column types, and there is no calculation.
The school library has 350 science and technology books and 400 story books.
(1) What percentage of science and technology books are story books? 350/400
(2) What percentage of science and technology books are story books? 400/350
(3) What is the proportion of science and technology books less than story books? (400-350)/400
(4) How many story books are there than science books? (400-350)/350
People's education printing plate sixth grade first volume mathematics exercise and answer reference.
fill (up) a vacancy
1, buy a suit, coat 840 yuan, pants 2 10 yuan, the price of pants is (25)% of the coat, and the price of coat is (12.5)% of this suit.
2.B It takes 20 minutes from school to the Cultural Palace, and a takes 16 minutes. B is (20)% faster than A.
3.(5) 60% of kilometers is 3 kilometers; 20%(32) tons less than 40 tons.
4. The ratio of number A to number B is 5: 2, number B is less than (60)% of number A, and number A is greater than number B (40)%.
The sales in May increased by 65,438+05% compared with April. The sales in May was equivalent to (65,438+065,438+05)%, and the sales in April was (65,438+05)% less than that in May.
6. There is a 20% discount on amusement park tickets during June 1st, and the current price is (80)% of the original price. All school supplies in children's stationery stores are sold at a 10% discount, saving (10)%.
7. To build an expressway, 40% of the total length was completed on the first day, 37.5% on the second day, with 180m left. This road is 800 meters long.
8. Guangming Hotel has a turnover of 400,000 yuan this year 1 month, which is subject to 5% business tax and 7% urban maintenance and construction tax. Then, this hotel needs to pay business tax (20,000 yuan) and urban maintenance and construction tax (28,000 yuan) in January.
9. Dad saved 20,000 yuan in the bank last January for two years. If the annual interest rate is 2.5%, he can get it back (2 1 000 yuan) when it expires.
Second, judgment.
1, 100g water plus10g salt, accounting for 10% of salt water. (6)
2. Today, 10 1 parts produced in Li Shifu are all qualified, and the qualified rate is10/%. (6)
30% of 3.3 kg is equal to 3% of 30 kg. (ton)
4. A dress is sold at 7.5% of the original price at a discount of 25%. (6)
5. If A is less than B by 20%, then B is more than A by 20%. (f)