| 000 | 00573nam a22001457a 4500 | ||
|---|---|---|---|
| 020 | _a81-219-3145-2 | ||
| 082 |
_a001 _bAGG/M |
||
| 100 | _aAGGARWAL, R.S | ||
| 245 | _aMENTAL MATHEMATICS | ||
| 260 |
_aNEW DELHI _bS.CHAND'S & COMPANY _c2000 |
||
| 300 | _a107 | ||
| 520 | _aMental math is a group of skills that allow people to do math “in their head” without using pencil and paper or a calculator. One of these skills is remembering math facts, like 8 × 5 = 40. Other skills include rounding numbers and estimating calculations. | ||
| 650 | _aSHORT STORY | ||
| 942 | _cBK | ||
| 999 |
_c6659 _d6659 |
||