Addition word problems - up to two digits

Learning Objectives Identify key information and the question in addition word problems. Translate word problems into numerical addition sentences. Solve addition problems involving numbers up to two digits accurately, including those requiring regrouping. Apply problem-solving strategies to single and multi-step addition word problems. Recognize common keywords that indicate the need for addition. Interpret and state the final answer in the context of the word problem. Ever wonder how many cookies you'd have if you baked a batch and your friend brought some more? 🍪 Let's find out how math helps us combine quantities! In this lesson, you'll learn how to break down and solve word problems that involve adding numbers up to two digits. Understanding these probl...

TermDefinitionExample Word ProblemA mathematical problem presented in words or a story format, rather than just numbers and symbols.Sarah has 15 apples, and Tom gives her 12 more. How many apples does Sarah have now? Keywords for AdditionWords or phrases that often indicate that the mathematical operation needed is addition.Common keywords include 'total,' 'sum,' 'in all,' 'altogether,' 'combine,' 'plus,' 'increase by,' 'more than.' Two-Digit NumberA whole number that has a tens place and a ones place, ranging from 10 to 99.25, 78, 91 SumThe result obtained when two or more numbers are added together.The sum of 15 and 12 is 27 ($15 + 12 = 27$). Equation/Number SentenceA mathematical statement that shows two ex...

Problem-Solving Strategy (CUBES) C - Circle the numbers, U - Underline the question, B - Box keywords, E - Eliminate extra info, S - Solve and check. This is a systematic approach to break down and understand word problems, ensuring all relevant parts are identified before attempting to solve. Translating Words to an Addition Equation Identify the quantities given in the problem and the question being asked. Look for addition keywords. Write a number sentence using the numbers and a plus sign, setting it equal to an unknown (e.g., a question mark or variable). This rule helps convert the verbal description of a problem into a clear mathematical expression that can be solved. Standard Addition Algorithm for Two-Digit Numbers 1. Align the numbers vertically by place valu...