2.1.1.1
Read, write and represent whole numbers up to 1000. Representations may include numerals, addition, subtraction, multiplication, words, pictures, tally marks, number lines and manipulatives, such as bundles of sticks and base 10 blocks.
Khan Academy ResourcesPlace value blocks within 1,000Add on a number lineAdd within 1,000 using place value blocksWrite numbers in word and expanded formWrite numbers in number and expanded formWrite numbers in different formsWrite numbers in number and word formHundreds, tens, and onesPlace value tables within 1,000Regrouping whole numbers: 675Word form and expanded formExpanded form of numbersAdding 10 or 100Number and word form of a numberAdding and subtracting on number linePlace value tables within 1,000Identifying value in digitsSubtracting with place value blocks (regrouping)

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