Survey

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Writing and Solving Number Sentences from Word Problems 1.3.1 Write and solve number sentences from problem situations involving addition and subtraction. By: Phylicia Kelly Listen Carefully!! If 4 people get onto a bus, and 2 people get off the bus. How many people are on the bus? Writing the Number Sentence • If 4 people get onto a bus, and 2 people get off. How many people are still on the bus? • Will this be an addition or subtraction problem? • How do you write the number sentence? • 4-2=__ (Number Sentence) What is the answer? 2 people Listen Carefully! If 5 dogs run into a dog house, and 3 more dogs run into the dog house. How many dogs are in the dog house? Writing the Number Sentence • If 5 dogs run into a doghouse, and 3 more run into the doghouse. How many dogs are in the doghouse? • Will this be an addition or subtraction problem? • How do you write the number sentence? • 5+3=__ (Number Sentence) What is the answer? 8 dogs Make an Addition and Subtraction Problem in Words Word Problems for Homework *Song*: Word Prolems (To the tune Yankee Doodle) • When you have a word problem and it is sub-trac-tion, • Always take the smaller number from the bigger num-ber. • If you don’t have subtraction then you have ad-di-tion. • Add the two numbers together and you get the ans-wer. Lyrics to Yankee Doodle • Yankee Doodle went to town riding on a po-ny. • Stuck a feather in his cap and called it mac-a-ron-i. • Yankee Doodle keep it up, Yankee Doodle dandy • Mind the music and the step and let the girls be han-dy. THE END