Completion
Complete each
statement.
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1.
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Solve the following number sentence. If 13 + 5 = 18; then 5 + 13=
?
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2.
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Solve the following number sentence. If 9 + 7 = 16; then
? + 9 = 16 .
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3.
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Find the missing addend. If 8 + 4 = 12; then 4 +
? =12.
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4.
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Find the missing number that makes the following number sentence true. If
6 + 9 = 15; then ? + 6 =
15.
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5.
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Solve the following problem. If 11 + 9 = 20; then 9 + 11=
?.
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6.
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Find the missing addend. If 13 - 5 = 8; then 8 +
? =13.
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7.
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Find the missing addend. If 3 + 16 = 19; then
? +3 = 19.
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8.
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Find the missing number that would make this sentence true: If 11 - 3 = 8;
then 3 + ? = 11.
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9.
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If 5 + 9 = 14; then 9 + 5= ?
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10.
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Find the missing addend. If 8 + 7 = 15; then 7 +
? =15.
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