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Wednesday, 17 May 2017

maths


Count Backwards by 1

From…..

548
547
546
545
544
543
542
541
540
539
538
537
536
535
534
533
542
531
530
529
528
527
526
525
524
523
522
521
520
519

What number do you end at? Use 100s board to help



Count backwards in  tens each time


350
340
330
320
310
309
308
307
306
305
304
303
302
301
200
299
298
297
296
295
294
293
292
291


Now count back in hundreds

1000
900
800
700
600
500
400
300
200
100

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