Answer Key for Primary Mathematics 3B Placement Tests

1.  (a) 57       (b) 32       (c) 4200     (d) 400
2.  (a) 1 m 55 cm             (b) 3 km 408 m
    (c) 1 kg 650 g            (d) 3006 ml
    (e) 5 L 80 ml             (f) 1 h 45 min
    (g) 20 months             (h) 4 weeks 2 days
    *(i) 2 yd 2 ft            *(j) 9 ft 5 in.
    *(k) 0 lb 11 oz           *(l) 10 gal 2 qt
3.  (a) $55      (b) Nov.     (c) Oct.     (d) $15
4.  (a) 8; 9     (b) 2; 3
5.  (a)        (b) 
6.  (a) 12 cm2   (b) 16 cm2
7.  2 kg 250 g
8.  
9.  10:50 a.m.
10. 1 m 40 cm
11. 630 m
12. $75
*13. 120 lb 10 oz
*14. B is 5 in. longer

* Note: Starred problems pertain only to Primary Mathematics US edition.

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