First, the oral calculation questions

1. 105-5×2+3= ( 105-5)×2+3=

105-5×(2+3)= 105-(5×2+3)=

2.50+90÷(2×3)= (50+90)÷2×3=

50+90÷2×3= (50+90÷2)×3=

Second, the calculation problem

1. 12520÷8×( 12 1÷ 1 1) 2.(20 10-906)×(65+ 15)

3.(639-7 1×9)÷ 167 4.( 10800-800×4)÷4

Third, the text narrative questions

What is the quotient of 1? 6000 divided by the difference between 59 and 35

What is the product of the difference between 2.52 and 28 multiplied by 276?

What is the quotient of the sum of 2.347 and 34 divided by the difference between 75 and 72?

Fourth, the farm tools application factory produced 4650 farm tools in the first half of the year and 5382 farm tools in the second half. How many pieces are produced per month on average throughout the year?

1. The garment processing department can use120m cloth to make 24 sets of adult uniforms and 30 sets of children's clothes. How much rice cloth does each set of children's clothes use less than adults?

3. A chicken farm sold12,300 chickens in April, 200 fewer in May than in April. How many chickens are sold in two months?

Verb (abbreviation of verb) Other problems

1. Rewrite the following steps into a comprehensive formula.

960÷ 15=64 64-28=36

2. Rewrite the following step-by-step formula into a comprehensive formula.

75×24= 1800 9000- 1800=7200

3. Rewrite the following step-by-step formula into a comprehensive formula.

4535-500=4035 782-777=5 4035÷5=807

4. Rewrite the following step-by-step formula into a comprehensive formula.

8× 15= 120 63+ 120= 183 183÷6 1=3

5. Put brackets around the following formula to make the left and right sides of the equal sign equal.

7×9+ 12÷3=9 1 7×9+ 12÷3=25

7×9+ 12÷3=49 48×6÷48×6= 1

I. True or false 1. 150+50 ÷ 5

= 150+ 10

= 160 ( )

2. 150+50÷5

=200÷5

=40 ( )

Second, the oral problem 1.7× 7 ÷ 7× 7 = 52+25-52+25 =

100-50×2= 70× 10-400=

2.320+80×3= 100+ 100×0=

72÷9×48÷8= 64÷64×7=

Third, the calculation problem (5 points for each small question *** 20 points)

1. 19×96-962÷74 2. 10000-(59+66)×64

3.5940÷45×(798-6 16) 4.(3 15×40-364)÷7

Four. Narrative topic (7 points for each small question *** 14 points)

What is the sum of the quotients of 1? 25 divided by 175 and the product of 17 and 13?

2. Divide 4000 by 25 and subtract the product of 13 and 12. What is the difference?

V. Application questions (1 small 8, 2-5, 9 points for each question, *** 44 points)

1. A chemical fertilizer plant 1 month produces 3 10 tons of chemical fertilizer, 400 tons in February and 490 tons in March. How many tons of chemical fertilizer are produced on average every month?

2. A horse eats12kg of grass every day. According to this calculation, how many kilograms of grass can 25 horses eat a week? (Calculated in two ways)

The worker master Wang and his apprentice make machine parts. Master Wang earns 45 pounds an hour, while his apprentice earns 28 pounds an hour. Master Wang works 6 hours and his apprentice works 8 hours. How many machine parts do they produce?

The factory has 8000 kilograms of coal, which was originally planned to burn for 25 days. Due to the improvement of the stove, it actually burned for 32 days. How many kilograms are saved on average every day compared with the original plan?

5. The construction site needs 1280 bags of cement, and all four transports need 8 carts. How many bags of fertilizer can a cart carry at a time? (Calculated in two ways)