Add using an open number line

Add using an open number line

In this lesson you will learn how to add multi-digit whole numbers by using an open number line.

ADDITIONAL MATERIALS

STANDARDS

CCSS.4.NBT.B.4 Fluently add and subtract multi-digit whole numbers using the standard algorithm.

TEKS.4.4.A add and subtract whole numbers and decimals to the hundredths place using the standard algorithm;

TEKS.5.3.K add and subtract positive rational numbers fluently; and

TEKS.3.4.A solve with fluency one-step and two-step problems involving addition and subtraction within 1,000 using strategies based on place value, properties of operations, and the relationship between addition and subtraction;

IN.4.AT.1 Solve real-world problems involving addition and subtraction of multi-digit whole numbers (e.g., by using drawings and equations with a symbol for the unknown number to represent the problem).

IN.4.C.1 Add and subtract multi-digit whole numbers fluently using a standard algorithmic approach.

VA.CE.4.4.b estimate and determine sums, differences, and products of whole numbers;

VA.CE.3.3.a estimate and determine the sum or difference of two whole numbers; and

VA.CE.4.4.d create and solve single-step and multistep practical problems involving addition, subtraction, and multiplication, and single-step practical problems involving division with whole numbers.

FL.MAFS.4.NBT.2.4 Fluently add and subtract multi-digit whole numbers using the standard algorithm.