Mental Dividing Speed and Accuracy 2, 3, 4, 5, 6, 7, 8, 9 Slides 2-9

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Presentation transcript:

Mental Dividing Speed and Accuracy 2, 3, 4, 5, 6, 7, 8, 9 Slides 2-9 Teachers Use these experiences with whole numbers in any order to suit student needs. The experiences should be repeated many times across the year. Where possible, coordinate your language (and student language) to the actions occurring onscreen. Hints To use the pointer pen option to write numbers as provided by students: Click Slide Show. Right click mouse. Select Pen. To start at a specific slide: Click on Slide Show. Scroll to the Slide you want. Click From Current Slide.

14 ÷ 2 = 16 ÷ 2 = 18 ÷ 2 = 20 ÷ 2 = 10 ÷ 2 = 12 ÷ 2 = 4 ÷ 2 = 6 ÷ 2 = 8 ÷ 2 = 2 ÷ 2 = 9 10 1 8 7 4 3 5 2 6 Say: I am going to show you sums from the two times table. I want you to tell me the answer to each sum as soon as it appears. Click to show 2 ÷ 2 = Listen for student responses. Click to show the answer. Click to remove the sum. Click again to remove the answer. Click to show 4 ÷ 2 = Repeat for all numbers to 20 ÷ 2 =

21 ÷ 3 = 18 ÷ 3 = 12 ÷ 3 = 15 ÷ 3 = 27 ÷ 3 = 24 ÷ 3 = 3 ÷ 3 = 6 ÷ 3 = 8 10 30 ÷ 3 = 7 9 6 2 1 3 4 5 9 ÷ 3 = 3 x table. See Slide 2.

16 ÷ 4 = 36 ÷ 4 = 40 ÷ 4 = 32 ÷ 4 = 3 24 ÷ 4 = 12 ÷ 4 = 20 ÷ 4 = 28 ÷ 4 = 4 ÷ 4 = 8 ÷ 4 = 10 1 9 8 7 4 2 5 6 4 x table. See Slide 2.

50 ÷ 5 = 40 ÷ 5 = 20 ÷ 5 = 35 ÷ 5 = 15 ÷ 5 = 25 ÷ 5 = 45 ÷ 5 = 30 ÷ 5 = 10 ÷ 5 = 5 ÷ 5 = 10 9 1 8 2 5 6 3 4 7 5 x table. See Slide 2.

12 ÷ 6 = 24 ÷ 6 = 4 10 3 48 ÷ 6 = 2 1 54 ÷ 6 = 60 ÷ 6 = 42 ÷ 6 = 18 ÷ 6 = 36 ÷ 6 = 30 ÷ 6 = 6 ÷ 6 = 6 5 9 8 7 6 x table. See Slide 2.

21 ÷ 7 = 42 ÷ 7 = 56 ÷ 7 = 49 ÷ 7 = 28 ÷ 7 = 63 ÷ 7 = 70 ÷ 7 = 35 ÷ 7 = 14 ÷ 7 = 7 ÷ 7 = 10 8 9 6 1 2 7 3 4 5 7 x table. See Slide 2.

64 ÷ 8 = 56 ÷ 8 = 40 ÷ 8 = 72 ÷ 8 = 80 ÷ 8 = 32 ÷ 8 = 48 ÷ 8 = 16 ÷ 8 = 24 ÷ 8 = 8 ÷ 8 = 10 1 9 8 7 3 5 6 2 4 8 x table. See Slide 2.

45 ÷ 9 = 63 ÷ 9 = 72 ÷ 9 = 81 ÷ 9 = 90 ÷ 9 = 54 ÷ 9 = 27 ÷ 9 = 18 ÷ 9 = 36 ÷ 9 = 9 ÷ 9 = 9 10 1 8 7 4 3 5 2 6 9 x table. See Slide 2.