Series Numéricas

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Author's Instructions

Observa y completa las cantidades que hacen falta en las serie de números que se encuentran a continuación.

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Suma de números naturales

Addition and Subtraction - Math

SUMA DE NÚMEROS NATURALES

Decomposição do 20

Addition and Subtraction - Math

Pensa e orienta o cálculo mental

Subtraction

Addition and Subtraction - Math

write the equation and solve the problem

Double Digit Addition

Addition and Subtraction - Math

SVE Double Digit addition with number line