Tens and Ones

Tens and Ones
Tens and Ones
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Author's Instructions

four two digit addition problems and four two digit subtraction problems

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NUS1-M-W18-z1

Addition and Subtraction - Math

Склад числа 10

NUS1-M-W18-z2

Addition and Subtraction - Math

Переставний закон додавання

Ficha 2-3

Addition and Subtraction - Math

Suma y resta hasta 1999. Numeración

NUS1-M-W18-z4

Addition and Subtraction - Math

додаємо число 5