Multiplication and Division

乘法和除法

Multiply with 2 and 6

2与6的乘法

(1) Joan buys six pairs of gloves. How many gloves in all does she buy? Solve the problem in 3 ways. Explain them.

(1) 琼买了6双手套。她总共买了多少只手套?用三种方法回答这个问题,并讲解它们。

(2) Solve each problem by addition, skip-counting and multiplication.

(2) 用加法、跳跃计数和乘法解答以下各题。

①Six houses each have six windows. How many windows are there in all?

①有6间房子,每间房都有6扇窗。请问总共有多少扇窗?

②How many legs do three frogs have?

②3只青蛙共有几条腿?

③If you have five dimes, how much money do you have?

③如果你有6个10的硬币,那么你有多少钱?

答  案

1.2+2+2+2+2+2= 12         She can add. (她可以用加法)     2, 4, 6, 8, 10, 12

She can skip-count. (她可以用跳数)   6×2=12        

She can multiply.(她可以用乘法)

2.①6+6+6+6+6+6=36         6,12, 18, 24, 30, 36         6×6=36

②4+4+4=12          4, 8, 12         3×4=12

③10+10+10+10+10+10=60          10, 20, 30, 40, 50, 60         10×6=60

 

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