Maths Lesson 1 Adding Decimal Numbers Mental Maths

Maths Lesson 1 – Adding Decimal Numbers Mental Maths Practice See if you can do these mentally or just using informal jottings on paper. Look carefully at where the decimal point is – PLACE VALUE RULES!!! T. Goodoree, youtube & Twinkl, March. April 2020

Maths Lesson 1 – Adding Decimal Numbers Watch this short tutorial first! https: //youtu. be/X 0 Zr. Iiy-d. MY T. Goodoree, youtube & Twinkl, March. April 2020

Maths Lesson 1 Examples: Try these questions! T. Goodoree, youtube & Twinkl, March. April 2020

Maths Lesson 1 Adding Decimal Numbers Look carefully at this example! T. Goodoree, youtube & Twinkl, March. April 2020

Maths Lesson 1 – Adding Decimal Numbers Now try these questions! Purple White and Black 7. 2 + 2. 6 278 + 87. 5 = 4 + 12. 5 64 + 287. 2 = 15. 6 + 12. 3 23. 87 + 198. 5 = 15. 7 + 3. 6 323. 47 + 298. 2 = 18. 3 + 5. 7 492. 78 + 3987. 59 = T. Goodoree, youtube & Twinkl, March. April 2020

Maths Lesson 1 – Adding Decimal Numbers Now try this In-Depth! T. Goodoree, youtube & Twinkl, March. April 2020

Maths Lesson 1 Mental Maths Practice - ANSWERS How did you get on with these mental problems? Traffic light / assess your work! T. Goodoree, youtube & Twinkl, March. April 2020

Maths Lesson 1 Answers to Examples T. Goodoree, youtube & Twinkl, March. April 2020

Maths Lesson 1 – Adding Decimal Numbers ANSWERS – SLIDE 6 Purple Ignore the subtractions! White and Black 7. 2 + 2. 6 = 9. 8 4 + 12. 5 = 16. 5 15. 6 + 12. 3 = 27. 9 15. 7 + 3. 6 = 19. 3 18. 3 + 5. 7 = 24. 0 T. Goodoree, youtube & Twinkl, March. April 2020

Maths Lesson 1 – Adding Decimal Numbers In-Depth ANSWER: T. Goodoree, youtube & Twinkl, March. April 2020