Add within 20 by regrouping on a ten frame

Add within 20 by regrouping on a ten frame

In this lesson you will learn how to add within 20 by regrouping on a ten frame.

ADDITIONAL MATERIALS

STANDARDS

VA.CE.2.6.b determine sums and differences, using various methods; and

VA.CE.2.5.b demonstrate fluency with addition and subtraction within 20.

CCSS.2.OA.B.2 Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers. See standard 1.OA.6 for a list of mental strategies.

FL.MAFS.2.OA.2.2 Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers.

TEKS.2.4.A recall basic facts to add and subtract within 20 with automaticity;

TEKS.1.3.D apply basic fact strategies to add and subtract within 20, including making 10 and decomposing a number leading to a 10;