Page 143 - NUMINO TB_3B
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173_G3U30_G3U20˙—» ¿º 2011.3.23 11:32 AM ˘ ` 132 PDF_In 2540DPI 150LPI T
Challenge Weighable Mass
1 . There are 1 g, 2 g, and 4 g weights.
Find out how masses can be measured using weights.
1g 2g 4g
a. Use two or three weights and write number sentences to make the
given masses.
4g
Mass Weights Mass Weights
1g 1g 5g 1g+4g
2g 2g 6g
3g 7g
4g 8g
b. Write all the masses that can be measured using 1 g, 2 g, and 4 g
weights.
132
Challenge Weighable Mass
1 . There are 1 g, 2 g, and 4 g weights.
Find out how masses can be measured using weights.
1g 2g 4g
a. Use two or three weights and write number sentences to make the
given masses.
4g
Mass Weights Mass Weights
1g 1g 5g 1g+4g
2g 2g 6g
3g 7g
4g 8g
b. Write all the masses that can be measured using 1 g, 2 g, and 4 g
weights.
132
