'Friendly numbers' presentation slideshows

Subtracting Friendly Numbers

408 views • 16 slides

Write your name in at least one box ?

Write your name in at least one box ?. Estimating Decimal Product & Quotients (A). Unit 6 Lesson 1. Steps for Multiplying Decimals:. Remove the decimal point from the numbers. For example, if the numbers are 2.5 and 3.25, then convert 2.5 to 25 and 3.25 to 325.

269 views • 15 slides

Making Landmark or friendly numbers

Making Landmark or friendly numbers. 9 + 1 9 + 1 + 4 9 + 5 9 + 6. 8 + 2 8 + 2 + 4 8 + 6 8 + 5. 7 + 3 7 + 3 + 3 7 + 6 7 + 9. 6 + 4 6 + 4 + 3 6 + 7 6 + 10 6 + 9. 10 + 12 9 + 12 9 + 15. 10 + 10 9 + 9 9 + 8. 8 + 2 8 + 2 + 11 8 + 13 8 + 15. 20 + 5 19 + 1 + 4 19 + 5

168 views • 10 slides

Making Landmark or friendly numbers

Making Landmark or friendly numbers. 9 + 1 9 + 1 + 4 9 + 5 9 + 6. 8 + 2 8 + 2 + 4 8 + 6 8 + 5. 7 + 3 7 + 3 + 3 7 + 6 7 + 9. 6 + 4 6 + 4 + 3 6 + 7 6 + 10 6 + 9. 10 + 12 9 + 12 9 + 15. 10 + 10 9 + 9 9 + 8. 8 + 2 8 + 2 + 11 8 + 13 8 + 15. 20 + 5 19 + 1 + 4 19 + 5

154 views • 10 slides

Proof that 10 is Solitary

Proof that 10 is Solitary. Dan Heflin. What is a Solitary Number?. A solitary number is a number that has no friendly pair. That is, a solitary number is in a singleton group, with only itself. What is a Friendly Pair?.

248 views • 9 slides

DIVISION and Fact Families

DIVISION and Fact Families. By: Ruthie Covington. division. This week we worked on breaking number up into friendly parts. We did that so it would be easier for us to divid. Example question. How many 4s are in 71? Break 71 into smaller, friendly numbers. Answer/working it out.

190 views • 8 slides

130 views • 1 slides