Addition and Subtraction WarmUp Addition and Subtraction WarmUp
Addition and Subtraction Warm-Up
Addition and Subtraction Warm-Up Write two numbers to make this calculation correct. + =20 Answers include: 10 + 10, 11 + 9, 12 + 8, 13 + 7, 14 + 6, 15 + 5, 16 + 4, 17 + 3, 18 + 2, 19 + 1, 20 + 0. Show Hide Answers
Addition and Subtraction Warm-Up Write three numbers to make this calculation correct. + + Answers: any three numbers that total 20, e. g. 0 + 4 + 16, 1 + 2 + 17, 2 + 5 + 13, 5 + 7 + 8 etc. =20 Show Hide Answers
Addition and Subtraction Warm-Up Mia had 21 strawberries. She has 7 left. How many has she eaten? 14 Show Hide Answer
Addition and Subtraction Warm-Up The answer is 32. What could the calculation be? Use +, - and = 32 Answers include: 16 + 16 = 32, 20 + 12 = 32, 30 + 2 = 32, 40 – 8 = 32, 100 – 48 = 32 etc. Show Hide Answers
Addition and Subtraction Warm-Up I’m thinking of a number. I’ve added 2 and my answer is 17. What was my number? 15 Show Hide Answer
Addition and Subtraction Warm-Up I’m thinking of a number. I’ve subtracted 3 and my answer is 16. What was my number? 19 Show Hide Answer
Addition and Subtraction Warm-Up What is the missing number? 100 - 10 = 90 Show Hide Answer
Addition and Subtraction Warm-Up What is the missing number? 20 + 30 = 50 Show Hide Answer
Addition and Subtraction Warm-Up Use <, > or = to make the number sentence correct. 12 + 3 < 15 + 1 Show Hide Answer
Addition and Subtraction Warm-Up Use <, > or = to make the number sentence correct. 20 - 7 = 12 + 1 Show Hide Answer
Addition and Subtraction Warm-Up Using these numbers… 14 2 16 . . . can you make two addition and two subtraction number sentences? 14 + 2 = 16 16 - 14 = 2 2 + 14 = 16 16 - 2 = 14 Show Hide Answers
Addition and Subtraction Warm-Up Oliver has 9 toy cars. Harvey has 5 more toy cars than Oliver. How many toy cars does Harvey have? 14 Show Hide Answer
- Slides: 14