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047_G3U04_WB_CA_˙—» ¿º 2011.4.5 3:23 PM ˘ ` 7 PDF_In 2540DPI 150LPI T
047-B4-1
Using Subtraction
1. Find a rule to find the missing numbers.
a. b.
1,372 3,180 3,425 3,136
4,398 5,618
1,172 2,982 1,312 2,917
c. d.
5,169 3,255 4,728 3,236
7,484 7,532
4,192 5,337 4,779 3,899
047-B4-1
Using Subtraction
1. Find a rule to find the missing numbers.
a. b.
1,372 3,180 3,425 3,136
4,398 5,618
1,172 2,982 1,312 2,917
c. d.
5,169 3,255 4,728 3,236
7,484 7,532
4,192 5,337 4,779 3,899
