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047_G3U4_G4U9_˙—» ¿º 2011.3.22 8:27 PM ˘ ` 34 PDF_In 2540DPI 150LPI T

Activity 1 Subtracting 4-Digit Numbers

1 . Solve 2,424 756 by using models.

Regroup 1 tens block as
6 one(s). Then remove 6 ones.

There will be one(s) lef t.

Regroup 1 hundreds block as
50

ten(s). Then remove 5 tens.
There will be ten(s) lef t.

Regroup 1 thousands block as
700 hundred(s). Then remove

7 hundreds.
There will be thousand(s)

and hundred(s) lef t.

So, 2,424 756 is

thousand(s), hundred(s),

ten(s), and one(s),

a total of .

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