Addition and subtraction word problems

Learning Objectives Identify if a word problem requires addition or subtraction. Find the key numbers and words in a story problem. Solve one-step addition word problems within 20. Solve one-step subtraction word problems within 20. Solve simple two-step word problems with mixed operations. Write a number sentence that matches a word problem. Explain their answer using pictures or words. You have 6 yummy cupcakes 🧁. Your friend gives you 3 more. Are you ready to solve the mystery of how many you have now? We will learn to be number detectives! 🕵️‍♀️ We will read stories and find clues. These clues will help us know when to add and when to subtract. Real-World Applications Sharing your toys with friends 🧸 Counting how many snacks you have left 🍎 Figuring out how...

TermDefinitionExample Word ProblemA short story that has a math question inside. It uses words instead of just numbers.Leo has 4 red cars 🚗 and 2 blue cars 🚙. How many cars does he have in all? Add (+)To put numbers together to find the total. We use it when we get MORE of something.5 balls + 3 balls = 8 balls total. 🏀 Subtract (-)To take a number away from another number. We use it when some things go away.7 cookies - 2 cookies eaten = 5 cookies left. 🍪 Clue WordsSpecial words in a story that tell us to add or subtract. They are like secret codes!Addition clues: 'in all', 'altogether', 'more'. Subtraction clues: 'left', 'take away', 'fewer'. Number SentenceA way to write a math problem using numbers and signs like + or -.The...

Adding Rule Part + Part = Whole Use this when you know two small groups (the parts) and need to find the total (the whole). Subtracting Rule Whole - Part = Part Use this when you know the total (the whole) and one small group (a part) is taken away.