| 000 | 00878nam a2200253 a 4500 | ||
|---|---|---|---|
| 001 | 12927 | ||
| 003 | CY-NiPEI | ||
| 005 | 20210223072759.0 | ||
| 008 | 181119s1988 us engd | ||
| 020 | _a0873532260 | ||
| 040 |
_beng _aCY-NiPEI |
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| 082 | 7 |
_a511.4 _223 |
|
| 245 | 1 | 0 |
_aEstimation and mental computation : _b1986 yearbook ; Harold L. Schoen, Marilyn J. Zweng. |
| 260 |
_aVirginia: _bNational Council of teachers of Mathematics. _b1988 |
||
| 300 |
_a248 p. ; _c24 cm. |
||
| 650 | 0 |
_aMathematics _911246 |
|
| 650 | 0 |
_aProblem solving _914029 |
|
| 650 | 4 |
_aArithmetic, Mental _9571 |
|
| 700 | 1 |
_aSchoen, Harold, L _4edt _915310 |
|
| 700 | 1 |
_aZweng, Marilyn J. _4edt _919284 |
|
| 710 | 2 | 0 |
_aNational Council of Teachers of Mathematics _4pbl _912409 |
| 911 |
_a031862 _e20181119 _n511.4 EST _p1 _q15 _r0 _s0 |
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| 942 |
_2ddc _cBK _h511.4 EST |
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| 999 |
_c12909 _d12909 |
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