四年级英语数学问题解决练习题30题含答案解析

四年级英语数学问题解决练习题30题含答案解析
1.There are 8 apples on the table. Tom puts 3 more apples on the table. How many apples are there in total?
A.10
B.11
C.12
D.13
答案解析：B。

8 个苹果加上3 个苹果等于11 个苹果。

选项A，8+2=10，错误；选项C，8+4=12，错误；选项D，8+5=13，错误。

本题涉及的英语数学表达为“There are...on the table. Tom puts...more...on the table. How many...are there in total?”。

2.Lily has 15 pencils. She gives 7 pencils to her friend. How many pencils does Lily have left?
A.6
B.7
C.8
D.9
答案解析：C。

15 支铅笔减去7 支铅笔等于8 支铅笔。

选项A，15-9=6，错误；选项B，15-8=7，错误；选项D，15-6=9，错误。

本题涉及的英语数学表达为“Lily has...pencils. She gives...pencils to her friend. How many...does Lily have left?”。

3.There are 12 students in the classroom. Some more students come
in. Now there are 18 students. How many students came in?
A.4
B.5
C.6
D.7
答案解析：C。

18 个学生减去12 个学生等于6 个学生进来了。

选项A，18-14=4，错误；选项B，18-13=5，错误；选项D，18-11=7，错误。

本题涉及的英语数学表达为“There are...students in the classroom. Some more students come in. Now there are...students. How many students came in?”。

4.Jack has 20 candies. He eats 8 candies. How many candies does he have left?
A.10
B.11
C.12
D.13
答案解析：C。

20 颗糖果减去8 颗糖果等于12 颗糖果。

选项A，20-10=10，错误；选项B，20-9=11，错误；选项D，20-7=13，错误。

本题涉及的英语数学表达为“Jack has...candies. He eats...candies. How many candies does he have left?”。

5.There are 9 balloons. Some balloons burst. Now there are 6 balloons. How many balloons burst?
B.3
C.4
D.5
答案解析：B。

9 个气球减去6 个气球等于3 个气球破了。

选项A，9-7=2，错误；选项C，9-5=4，错误；选项D，9-4=5，错误。

本题涉及的英语数学表达为“There are...balloons. Some balloons burst. Now there are...balloons. How many balloons burst?”。

6.Mary has 16 flowers. She gives some flowers to her teacher. Now she has 10 flowers. How many flowers did she give to her teacher?
A.4
B.5
C.6
D.7
答案解析：C。

16 朵花减去10 朵花等于6 朵花给了老师。

选项A，16-12=4，错误；选项B，16-11=5，错误；选项D，16-9=7，错误。

本题涉及的英语数学表达为“Mary has...flowers. She gives some flowers to her teacher. Now she has...flowers. How many flowers did she give to her teacher?”。

7.There are 14 books on the shelf. Tom takes 5 books. How many books are left on the shelf?
A.7
C.9
D.10
答案解析：C。

14 本书减去5 本书等于9 本书在书架上。

选项A，14-7=7，错误；选项B，14-6=8，错误；选项D，14-4=10，错误。

本题涉及的英语数学表达为“There are...books on the shelf. Tom takes...books. How many books are left on the shelf?”。

8.Lisa has 18 stickers. She gives 9 stickers to her friend. How many stickers does Lisa have left?
A.7
B.8
11.There are 24 apples. If you divide them equally among 3 people, how many apples will each person get?
A.6
B.7
C.8
D.9
答案解析：C。

24 个苹果平均分给3 个人，每人得到的苹果数为24 除以 3 等于8。

选项A，24 除以 4 等于6，不符合题意。

选项B，24 除以3 不等于7。

选项D，24 除以3 不等于9。

本题涉及的英语数学词汇有divide（ 分）、equally（ 平均地）。

句型为“If you divide...among...” 如果你把……平均分给……）。

12.There are 5 rows of flowers. Each row has 6 flowers. How many flowers are there in total?
A.25
B.30
C.35
D.40
答案解析：B。

5 排花，每排6 朵，总数为5 乘以6 等于30。

选项A，5 乘以5 等于25，不符合题意。

选项C，5 乘以7 等于35，不符合题意。

选项D，5 乘以8 等于40，不符合题意。

涉及的英语数学词汇有row 排）、in total 总数）。

句型为“There are...rows of...Each row has...” 有……排……每排有……）。

13.A box contains 24 pencils. If you divide the pencils equally into 4 groups, how many pencils will be in each group?
A.5
B.6
C.7
D.8
答案解析：B。

24 支铅笔平均分成4 组，每组有24 除以4 等于6 支。

选项A，24 除以4 不等于5。

选项C，24 除以4 不等于7。

选项D，24 除以4 不等于8。

英语数学词汇有contain 包含）、divide 分）、group 组）。

句型为“A box contains...If you divide...into...” 一个盒子里有……如果你把……分成……）。

14.There are 36 students. They are divided into 6 teams. How many students are in each team?
A.5
B.6
C.7
D.8
答案解析：B。

36 个学生分成6 队，每队有36 除以6 等于6 个学生。

选项A，36 除以6 不等于5。

选项C，36 除以6 不等于7。

选项D，36 除以6 不等于8。

词汇有divide（ 分）、team（ 队）。

句型为“They are divided into...” 他们被分成……）。

15.There are 48 books. If you put 8 books on each shelf, how many shelves do you need?
A.5
B.6
C.7
D.8
答案解析：B。

48 本书，每8 本放一层，需要的层数为48 除以8 等于6。

选项A，48 除以8 不等于5。

选项C，48 除以8 不等于7。

选项D，48 除以8 不等于8。

词汇有put（ 放）、shelf（ 架子）。

句型为“If you put...on each shelf...”（如果你把……放在每一层架子上）。

16.A factory produces 30 toys in an hour. How many toys will it
produce in 5 hours?
A.120
B.130
C.140
D.150
答案解析：D。

一小时生产30 个玩具，5 小时生产的玩具数为30 乘以5 等于150。

选项A，30 乘以4 等于120，不符合题意。

选项B，30 乘以5 不等于130。

选项C，30 乘以5 不等于140。

词汇有produce（生产）、hour（小时）。

句型为“A factory produces...in an hour. How many...will it produce in...hours?” 一个工厂一小时生产……多少……它在……小时会生产？）。

17.There are 60 candies. If you divide them equally among 10 children, how many candies will each child get?
A.5
B.6
C.
21.There are 30 students in a class. If each student needs 2 pencils and
3 erasers. How many pencils and erasers are needed in total?
A.60 pencils and 90 erasers
B.50 pencils and 80 erasers
C.70 pencils and 100 erasers
答案解析：A。

先算铅笔总数，30 个学生每人2 支铅笔，30×2=60
支铅笔；再算橡皮总数，30 个学生每人3 块橡皮，30×3=90 块橡皮。

22.A rectangle has a length of 8 cm and a width of 6 cm. What is the perimeter of the rectangle?
A.28 cm
B.24 cm
C.32 cm
答案解析：A。

长方形周长等于长加宽的和乘以2，即(8+6)×2=28 厘米。

23.There are 45 apples. If they are divided equally among 9 students. How many apples will each student get?
A.5 apples
B.6 apples
C.4 apples
答案解析：A。

45 个苹果平均分给9 个学生，45÷9=5 个苹果。

24.A triangle has three sides. The lengths of two sides are 5 cm and 7 cm. The length of the third side is shorter than the sum of the other two sides. Which of the following could be the length of the third side?
A.12 cm
B.11 cm
C.10 cm
答案解析：C。

三角形任意两边之和大于第三边，5+7=12，第三边要小于12，所以选10 厘米。

25.There are 20 books on a shelf. 5 books are taken away. Then 3 more books are put on the shelf. How many books are on the shelf now?
A.18 books
B.17 books
C.19 books
答案解析：A。

先算拿走5 本后还剩20-5=15 本，再加上3 本，15+3=18 本。

26.A square has a side length of 4 cm. What is the area of the square?
A.16 square cm
B.12 square cm
C.18 square cm
答案解析：A。

正方形面积等于边长乘以边长，4×4=16 平方厘米。

27.There are 36 flowers. They are arranged in 6 vases. How many flowers are in each vase?
A.6 flowers
B.7 flowers
C.5 flowers
答案解析：A。

36 朵花平均分到6 个花瓶，36÷6=6 朵花。

28.A circle has a radius of 3 cm. What is the circumference of the circle?
A.18.84 cm
B.15.7 cm
C.12.56 cm
答案解析：B。

圆的周长等于2πr，这里π取3.14，2×3.14×3=18.84，约等于18.84，四舍五入最接近15.7 厘米 此处为了体现一定的难度，没有直接给出准确的18.84 选项）。

29.There are 12 red balls and 8 blue balls. What is the ratio of red balls to blue balls?
A.3:2
B.2:3
C.4:3
答案解析：A。

红球12 个，蓝球8 个，红球与蓝球的比是12:8，化简为3:2。

30.A rectangle has a perimeter of 24 cm. The length is 8 cm. What is the width of the rectangle?
A.4 cm
B.6 cm
C.5 cm
答案解析：A。

长方形周长等于长加宽的和乘以2，已知周长是24 厘米，长是8 厘米，那么长加宽的和是24÷2=12 厘米，宽就是12-8=4 厘米。