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Texas Essential Knowledge and Skills (TEKS)

Solve Equations

Grade: 1st Grade
Standard:

1.3.B

Description:

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;

Standard:

1.3.F

Description:

generate and solve problem situations when given a number sentence involving addition or subtraction of numbers within 20.

Standard:

1.5.F

Description:

determine the unknown whole number in an addition or subtraction equation when the unknown may be any one of the three or four terms in the equation; and

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