| 008 |
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801007s1980 xxu 000 0 eng d |
| 015 |
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|a80019773
|
| 035 |
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|a80019773
|
| 040 |
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|aTMUE|beng|cTMUE|dTMUE
|
| 050 |
14
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|aQA139|bL58
|
| 082 |
04
|
|a513/.2/076|219
|
| 090 |
|
|a01|b|p|tDDC|d513.2|eL782|cA0069289|r0.0
|
| 100 |
1
|
|aLitwillerBonnie H
|
| 245 |
10
|
|aActivities for the maintenance of computational skills and the discovery of patterns / |cBonnie H. Litwiller and David R. Duncan
|
| 260 |
|
|aReston, Va : |bNational Council of Teachers of Mathematics, |cc1980
|
| 300 |
|
|aiv, 92 p ; |c28 cm
|
| 650 |
0
|
|aArithmetic|xProblems, exercises, etc
|
| 700 |
1
|
|aDuncan David R|ejoint author
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