Which Mathematical Skill Do Children Develop First

question 14

Multiple Choice

Which mathematical skill do children develop first?

• A)counting on objects
• B)using counting words
• C)counting silently
• D)knowing that an amount stays the same even when objects are rearranged.

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Definitions:

Reactivity

The tendency of a substance to undergo a chemical reaction, either by itself or with other materials, under certain conditions.

Substrates

The specific substance or surface on which an enzyme acts or to which a molecule binds in a chemical reaction.

1-Iodo-1-Ethylcyclopentane

An organic compound characterized by the presence of an iodine atom and an ethyl group attached to a cyclopentane ring.

Reactivity

The tendency of a substance to undergo chemical reaction, either by itself or with other materials, and to release energy.