Multiplication
3 x 2
6
6 divided by 2
3
7 + 4
12 x 3
36
24 divided by 3
8
14 - 9
5
What is 3 groups of 4?
三组四个是什么？
12
I have 36 pencils.
I made 4 groups of pencils.
How many pencils in each group?
我有 36 支铅笔，我把铅笔分成四组，每组有多少支铅笔？
9 pencils
There are 15 students in a line.
9 more students join the line.
How many students in the line?
一支队伍里有 15 名学生，又有 9 名学生加入队伍，这支队伍里有多少名学生？
15 + 9 = 24
There are 3 rows of chairs.
Each row has 7 chairs.
How many chairs in all?
有三排椅子，每排有七把椅子，一共有多少把椅子
21 chairs
There are 100 cubes in a bag.
Each student needs 20 cubes.
How many students will get cubes?
一个袋子里有 100 个立方体，每个学生需要 20 个立方体，有多少名学生将获得立方体。
5 students
There are 18 pompoms in the jar.
Ruobing puts 6 more pompoms in the jar. Then John puts 6 more pompoms in the jar.
How many pompoms are in the jar now?
罐子里有 18 个绒球。鲁本又放了 6 个绒球。然后约翰又放了 6 个绒球。现在罐子里有多少个绒球？
18 + 6 + 6 = 30
30 pompoms
(12 x 2) + (3 x 6)
Mr. Wai got a box of 72 pencils.
He put 10 pencils in each box.
How many boxes are there? Are there any pencils left over?
韦先生有一盒 72 支铅笔。他每盒放 10 支铅笔。一共有多少盒？还有剩余的铅笔吗？
7 boxes
2 pencils left over
A cube tower has 12 cubes.
Justin puts 12 more cubes on top. Andy takes 3 cubes off.
How many cubes are in the tower?
一个立方体塔有 12 个立方体。Justin 在上面放了 12 个立方体。Andy 拿走了 3 个立方体。塔里有多少个立方体？
12 + 12 - 3 = 21
21 cubes