Subtraction Facts Through 20 Are Usually Taught in Which Grade

question 23

Multiple Choice

Subtraction facts through 20 are usually taught in which grade?

• A)Kindergarten
• B)First
• C)Second
• D)Third
• E)Fourth

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Definitions:

Simplify

The process of altering an expression into its most basic form or version, usually by combining like terms and applying mathematical operations.

Expression

A combination of symbols that represents a quantity or a relationship between quantities in mathematics or computer programming.

Rationalize

The process of modifying an expression to eliminate radicals from the denominator or complex numbers from the denominator of a fraction.

Denominator

The bottom part of a fraction that tells into how many equal parts the whole is divided.