Answer to Question #211955 in English for and

Question

2.1 Calculate the following 2- and 3-digit numbers using strategic doubling: 2.1.1 34 2.1.2 340 2.1.3 277 2.1.4 99 2.1.5 500 (10) 2.2 Use the scaffolding method to work out the following. (Note: Show all the steps and explain what you did in every step.) 2.2.1. 265 ÷ 7 2.2.2. 589 ÷ 4 2.2.3. 735 ÷ 3 2.2.4 4581 ÷ 7

Answer 1

2.1.1 2 multiply by 34 is 68

4 multiply by 34 is 136

2.1.2 2 multiply by 340 is 680

4 multiply by 340 is 1360

2.1.3 2 multiply by 277 is 554

4 multiply by 277 is 1108

2.1.4 2 multiply by 99 is 198

4 multiply by 99 is 396

2.1.5 2 multiply by 500 is 1000

4 multiply by 500 is 2000

2.2.

Divide the total height measurement by the height of a single scaffolding section. This will determine the total number of rows of scaffolding the project will require. Multiply the number of rows by the number of columns to find the total number of scaffold sections necessary for the project.

2.2.1

265 ÷ 7 is 37.8571

2.2.2

 589 ÷ 4 is 147.25

2.2.3

 735 ÷ 3 is 245

2.2.4

 4581 ÷ 7 is 654.4286