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Crucigrama Sopa de Letras Hoja de Trabajo
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3.1.2 Addition & Subtraction

Horizontales
a number sentence with an equal sign
the answer to an addition problem
one operation undoes the effect of the other operation
close in value or amount, about, but not exact
Verticales
The answer to an subtraction problem
numbers that add, subtract, multiply, or divide easily
to give a reasonable and approximate number