# Use mental strategies to multiply and divide numbers by 10, 100, 1000 and their multiples

 1 Changing Numbers - 12 to 1200 2 Changing Numbers - 25 to 250 3 Changing Numbers - 17 to 170 4 Changing Numbers - 65 to 650 5 Changing Numbers - 11 to 110 6 Changing Numbers - 72 to 720 7 Changing Numbers - 36 to 3600 8 Changing Numbers - 4 to 4000 9 Changing Numbers - 44 to 4400 10 Changing Numbers - 24 to 2400 11 Changing Numbers: Divide by 1, 10, 100 12 Changing Numbers: Divide by 1, 10, 100 13 Changing Numbers: Divide by 1, 10, 100 14 Changing Numbers: Divide by 1, 10, 100 15 Changing Numbers: Divide by 1, 10, 100 16 Hit the big times 30x2 17 Times Machine: Write the correct multiplier into the times machine 18 Number production: Complete each multiplication sentence 19 Number production: Complete each multiplication sentence 20 Number production: Complete each multiplication sentence 21 Double up: Double 50, 50 000 22 Same or different: Click all the boxes where the answer is the same. 23 Multi-multiplication: Use 4 different multipliers to change the number 50 24 My Fair Sharer: 240, 120, 360 / 10 25 Divide and Multiply 26 My Fair Sharer: write the answers after each number has been divided 27 My Fair Sharer: write the answers after each number has been divided 28 Number detectives: 10x?=400 29 Divide and multiply - 8, 480 30 My Fair Sharer: Write the correct division setting on the fair sharer 31 Divide a thousand 49 000/7 32 Divide a thousand 40 000/8 33 Divide a thousand 36 000/6 34 Dividing Hundreds: Divide a 3-digit ten multiple by a 2-digit ten multiple 35 Division Chain: 16 / 10 = ? / 4 = ? 36 Division Chain: 4 / 10 = ? / 2 = ? 37 Division Chain: 240 / 100 = ? / 3 = ? 38 Division Chain: 56 / 10 = ? / 2 = ? 39 Division Chain: 12 / 10 = ? / 0.4 = ? 40 Product Launch: 6x70