Texas Essential Knowledge and Skills (TEKS):
1.3.B
use objects and pictorial models to solve word problems involving joining, separating,
and comparing sets within 20 and unknowns as any one of the terms in the problem such
as 2 + 4 = [ ]; 3 + [ ] = 7; and 5 = [ ] - 3;
Texas Essential Knowledge and Skills (TEKS):
1.3.E
explain strategies used to solve addition and subtraction problems up to 20 using spoken
words, objects, pictorial models, and number sentences; and
Texas Essential Knowledge and Skills (TEKS):
1.5.D
represent word problems involving addition and subtraction of whole numbers up to 20
using concrete and pictorial models and number sentences;
Georgia Standards of Excellence (GSE):
1.NR.2.1
Use a variety of strategies
to solve addition and
subtraction problems
within 20.
Georgia Standards of Excellence (GSE):
1.NR.2.2
Use pictures, drawings,
and equations to develop
strategies for addition
and subtraction within 20
by exploring strings of
related problems.