**Maryland Education Standards**. What is a Number Line? Number lines can be used to help with many different ways. The most common ways are for addition and subtraction. Read More...

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Study GuideUsing Number Line

Worksheet/Answer keyUsing Number Line

Worksheet/Answer keyUsing Number Line

Worksheet/Answer keyUsing Number Line

Worksheet/Answer keyWhole Numbers

MD.1.0. Knowledge of Algebra, Patterns, and Functions: Students will algebraically represent, model, analyze, or solve mathematical or real-world problems involving patterns or functional relationships.

1.B.1. Expressions, Equations, and Inequalities: Write and identify expressions.

1.B.1.a. Represent numeric quantities using concrete and pictorial representations and operational symbols (+, -) with whole numbers to 20.

1.B.2. Expressions, Equations, and Inequalities: Identify, write, and solve equations and inequalities.

1.B.2.a. Represent relationships using the terms greater than, less than, and equal to for quantities up to 100.

1.C.1. Numeric and Graphic Representations of Relationships: Locate points on a number line.

1.C.1.a. Identify and represent whole numbers up to 50 on a number line using manipulatives and symbols.

MD.6.0. Knowledge of Number Relationships and Computation/Arithmetic: Students will describe, represent, or apply numbers or their relationships or will estimate or compute using mental strategies, paper/pencil, or technology.

6.A.1. Knowledge of Number and Place Value: Apply knowledge of whole numbers and place value.

6.A.1.e. Read, write, and represent whole numbers up to 100 and beyond using models, symbols, and words.

6.A.1.h. Compare and order whole numbers up to 99 using terms such as: greater than, less than, equal to.

6.A.1.j. Count to 100.

6.A.1.k. Count forward and backward starting with numbers other than one.

6.C.1. Number Computation: Analyze number relations and compute.

6.C.1.a. Develop strategies for addition and subtraction basic facts such as: counting on, counting back, making ten, doubles, and doubles plus one.

MD.7.0. Processes of Mathematics: Students demonstrate the processes of mathematics by making connections and applying reasoning to solve problems and to communicate their findings.

7.C.1. Communications: Present mathematical ideas using words, symbols, visual displays, or technology

7.C.1.a. Use multiple representations to express concepts or solutions

7.C.1.d. Express solutions using concrete materials