Grade+One+NS+1.3

1.3 Represent equivalent forms of the same number through the use of physical models, diagrams, and number expressions (to 20) (e.g., 8 may be represented as 4 + 4, 5 + 3, 2 + 2 + 2 + 2, 10 -2, 11 -3).
 * __Grade One NS 1.3__**

// 1. Nine and _ _ _ is ten and _ _ _. (Thank you Liping Ma!) 2. _ _ _ plus _ _ _ is the same as _ _ _ plus _ _ _. 3. _ _ _ plus _ _ _ is less than _ _ _ plus _ _ _. //

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