MA19.2.22

Mathematics (2019) Grade(s): 2

MA19.2.22
Create a number line diagram using whole numbers and use it to represent whole-number sums and differences within 100.

Unpacked Content

Knowledge

Students know:

how to create a number line.
how to count forwards and backwards on a number line.
how to use addition and subtraction to solve equations using the number line.

Skills

Students are able to:

represent quantities and addition/subtraction on number line diagrams.
create and use number line models to represent, solve, and justify solutions to addition and subtraction problems within 100.

Understanding

Students understand that:

quantities can be represented as distances from zero on a number line.
a variety of models, including number lines, can be used to represent and solve addition and subtraction problems.

Vocabulary

Number line
Whole numbers
Sum
Difference

Aligned Learning Resources

Time After Time: How Can We Use Timelines to Reconstruct the Past? Part 2

Time After Time: How Can We Use Timelines to Reconstruct the Past? Part 3

Time After Time: How Can We Use Timelines to Reconstruct the Past? Part 4

Weak or Strong Statements: That Is the Question

Design by Adaptive Theme