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out number problems in their head Research shows that kids who can do these things mentally loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsnetreader034viewer202205180960152388f3086b63f14acfcchtml5thumbnails2jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=blacktownn-p-these-kinds-of-activities-form-the-basis-of-working-out-number-problemshtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: blacktownn-pschoolsnswgovau€¦ · These kinds of activities form the basis of working out number problems in their head Research shows that kids who can do these things mentally loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC 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do these things mentally loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsnetreader034viewer202205180960152388f3086b63f14acfcchtml5thumbnails9jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=10Page 10button div class=ts-imageimg data-url=blacktownn-p-these-kinds-of-activities-form-the-basis-of-working-out-number-problemshtmlpage=10 data-page=10 class=ts-thumb lazyload alt=Page 10: blacktownn-pschoolsnswgovau€¦ · These kinds of activities form the basis of working out number problems in their head Research shows that kids who can do these things mentally loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsnetreader034viewer202205180960152388f3086b63f14acfcchtml5thumbnails10jpg width=140 height=200 divdivdiv class=ts-pagebutton 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problems in their head Research shows that kids who can do these things mentally loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsnetreader034viewer202205180960152388f3086b63f14acfcchtml5thumbnails12jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=13Page 13button div class=ts-imageimg data-url=blacktownn-p-these-kinds-of-activities-form-the-basis-of-working-out-number-problemshtmlpage=13 data-page=13 class=ts-thumb lazyload alt=Page 13: blacktownn-pschoolsnswgovau€¦ · These kinds of activities form the basis of working out number problems in their head Research shows that kids who can do these things mentally loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC 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things mentally loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsnetreader034viewer202205180960152388f3086b63f14acfcchtml5thumbnails16jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=17Page 17button div class=ts-imageimg data-url=blacktownn-p-these-kinds-of-activities-form-the-basis-of-working-out-number-problemshtmlpage=17 data-page=17 class=ts-thumb lazyload alt=Page 17: blacktownn-pschoolsnswgovau€¦ · These kinds of activities form the basis of working out number problems in their head Research shows that kids who can do these things mentally loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsnetreader034viewer202205180960152388f3086b63f14acfcchtml5thumbnails17jpg width=140 height=200 divdivdiv class=ts-pagebutton 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problems in their head Research shows that kids who can do these things mentally loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentsnetreader034viewer202205180960152388f3086b63f14acfcchtml5thumbnails19jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=20Page 20button div class=ts-imageimg data-url=blacktownn-p-these-kinds-of-activities-form-the-basis-of-working-out-number-problemshtmlpage=20 data-page=20 class=ts-thumb lazyload alt=Page 20: blacktownn-pschoolsnswgovau€¦ · These kinds of activities form the basis of working out number problems in their head Research shows that kids who can do these things mentally loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC 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