Latihan
Latihan tambahan
4 soalan untuk mengukuhkan unit Teroka Ria. Jika salah, baca petunjuk dan cuba lagi.
Amy mewarnakan petak genap. Petak manakah tidak patut diwarnakan?
不该涂的格子 = petak yang tidak patut diwarnakan
Amy 要涂的是偶数,题目问哪一格“不该”涂,也就是要找出奇数。看每个数的个位:单数结尾的就是奇数,不该涂。
例子:涂偶数时,2 581 不该涂,因为个位是 1;2 586 要涂。
注意:题目问的是“不该涂”,不要挑到应该涂的偶数;三个数前面几位一样,只有个位不同。
the box that should not be coloured = petak yang tidak patut diwarnakan
Amy colours even numbers; which box should she NOT colour? That is the odd one. Look at the ones digit: a number ending in an odd digit stays blank.
Example: when colouring even numbers, 2 581 stays blank because it ends in 1, while 2 586 is coloured.
Watch out: the question asks for the box NOT to colour, and the numbers differ only in their ones digit.
Petak manakah semuanya nombor ganjil?
整组都是奇数 = semua nombor ganjil
每个选项是一组数,要找出组里每一个数都是奇数的那一组。做法:一组一组检查,每个数都看个位;只要看到一个个位是 0、2、4、6、8 的数,这一组就可以划掉。
例子:31、57、209 这一组,个位是 1、7、9,全是单数,所以整组都是奇数;31、58、209 就不是。
注意:几组数看起来很像,只差一个数字,要把组里每个数都检查到。
all odd numbers = semua nombor ganjil
Each option is a group of numbers; find the group where every number is odd. Check group by group and look at the ones digit of every number. As soon as one number ends in 0, 2, 4, 6 or 8, cross the group out.
Example: 31, 57, 209 end in 1, 7 and 9, so all are odd; 31, 58, 209 is not.
Watch out: the groups look alike and differ by one digit, so check every number in each group.
Dalam petak 2 × 2 ini, berapakah nombor genap?
3 610
527
8 002
91
数偶数格子 = kira petak genap
图里的 2 × 2 方格有四个数,要数出其中有几个偶数。一格一格看个位,是双数的就记一下,最后数一数一共记了几个。
例子:方格 14、20、41、76、38 里,偶数是 14、20、76、38,一共 4 个。
注意:大数和小数都用同样的方法判断;以 0 或 2 结尾的数也是偶数,不要漏掉。
count the even boxes = kira petak genap
The 2 × 2 grid has four numbers; how many are even? Look at the ones digit of each box, note the even ones, then count your notes.
Example: in a grid of 14, 20, 41, 76 and 38, the even numbers are 14, 20, 76 and 38, which makes 4.
Watch out: big and small numbers follow the same rule, and numbers ending in 0 or 2 are even too.
Jika petak bernombor 1 hingga 20 diwarnakan yang genap sahaja, berapakah petak diwarnakan?
1 到 20 的偶数 = nombor genap 1 hingga 20
1 到 20 编号的格子只涂偶数,问涂了几格。可以从 2 开始,每次加 2 列出偶数,一直列到 20 为止,再数一数有几个。也可以想:从 1 开始的连续整数里,偶数和奇数是一个一个轮流出现的。
例子:1 到 9 的偶数是 2、4、6、8,一共 4 个。
注意:最后那个数如果是偶数,也要算进去;不要把全部格数当成涂色的格数。
even numbers from 1 to 20 = nombor genap 1 hingga 20
Boxes 1 to 20 are coloured only if even; how many are coloured? Start at 2, add 2 each time up to 20, and count your list. You can also notice that even and odd numbers take turns.
Example: from 1 to 9 the even numbers are 2, 4, 6 and 8, which makes 4.
Watch out: if the last number is even it counts, and the total number of boxes is not the number coloured.
Tahniah! Kamu telah menyelesaikan latihan.
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