Multiplication and Division

乘法和除法

Multiply with 2 and 6

2與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) 瓊買了6雙手套。她總共買了多少只手套？用三種方法回答這個(gè)問(wèn)題，并講解它們。

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

(2) 用加法、跳躍計(jì)數(shù)和乘法解答以下各題。

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

①有6間房子，每間房都有6扇窗。請(qǐng)問(wèn)總共有多少扇窗？

②How many legs do three frogs have?

②3只青蛙共有幾條腿？

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

③如果你有6個(gè)10的硬幣，那么你有多少錢？

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. （她可以用跳數(shù)）?? 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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