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031_G1U20_G1U21˙—» ¿º 2011.3.22 4:23 PM ˘ ` 39 PDF_In 2540DPI 150LPI T
Activity Board +
=
=+
= +
Use a number line to ...
find pairs of numbers
with the same sum!
1 2 3 4 5 6 7 8 9 10
20. Make Numbers 39
Activity Board +
=
=+
= +
Use a number line to ...
find pairs of numbers
with the same sum!
1 2 3 4 5 6 7 8 9 10
20. Make Numbers 39
