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029_G1U8_WB_˙—» ¿º 2011.3.28 11:26 AM ˘ ` 10 PDF_In 2540DPI 150LPI T
029-B7-2
3. Use the given numbers to write two different addition and
subtraction sentences.
a. b.
2 86 5 14
8-2=6 5-4=1
-= -=
+= +=
+= +=
4. Read the problem statement and write the subtraction sentence.
Ann has 3 pieces of cake. Mother gives her some more
pieces of cake. Now Ann has 8 pieces of cake.
How many more pieces of cake did mother give Ann?
sentence : ( pieces )
029-B7-2
3. Use the given numbers to write two different addition and
subtraction sentences.
a. b.
2 86 5 14
8-2=6 5-4=1
-= -=
+= +=
+= +=
4. Read the problem statement and write the subtraction sentence.
Ann has 3 pieces of cake. Mother gives her some more
pieces of cake. Now Ann has 8 pieces of cake.
How many more pieces of cake did mother give Ann?
sentence : ( pieces )
