Choose the Correct Plural
Singular means one. Plural means two or more than two.
For most nouns, just add -s to make them plural.
one bag -- two bags
For nouns ending in s, x, z, ch or sh, add -es to make them plural.
one bus -- two buses
For nouns ending in a consonant (all letters except a, i, e, o, and u) + y, change “y” to “i” and add -es to make them plural.
one candy -- two candies
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The correct answer is
The smallest number is the one that comes first while counting.
To arrange the given numbers in order from smallest to greatest, find the smallest number among all the given numbers.
21 is the smallest number.