ADD NUMBERS BY EXPRESSING ADDENDS AS TENS AND ONES (EXPANDED FORM);
ADD NUMBERS WITH SUMS UP TO 100 WITHOUT REGROUPING, USING A VARIETY OF CONCRETE AND PICTORIAL MODELS
SOLVE PROBLEMS (GIVEN ORALLY OR IN PICTURES) INVOLVING ADDITION WITH SUMS UP TO 100 WITHOUT REGROUPING
The learners
add numbers by expressing addends as tens and ones (expanded form);
add numbers with sums up to 100 without regrouping, using a variety of concrete and pictorial models for:
2-digit and 1-digit numbers
2-digit and 2-digit numbers; and
solve problems (given orally or in pictures) involving addition with sums up to 100 without regrouping.

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