MA.2.NSO.1.2
Compose and decompose three-digit numbers in multiple ways using hundreds, tens and ones. Demonstrate each composition or decomposition with objects, drawings and expressions or equations.
Khan Academy ResourcesIdentify the value of a digit (ones, tens, hundreds)Place value blocks within 1,000Regroup whole numbersAdd on a number lineAdd within 1,000 using place value blocksWrite numbers in word and expanded formAdd using groups of 10 and 100Write numbers in number and expanded formWrite numbers in number and word formCompare 3-digit numbersHundreds, tens, and onesAdd 10s and 100s (no regrouping)Place value tables within 1,000Regrouping whole numbers: 675Word form and expanded formExpanded form of numbersUse place value blocks to show numbers within 1,000Place value tables within 1,000Identifying value in digitsSubtracting 1s, 10s, and 100s

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