Answer key · Set C
Ten tens make a hundred: a step further
150 1 flat is 10 rods. 5 flats are 50 rods.
2200 10 rods make 100. 20 rods make 200.
3726 7 flats are 700, 2 rods are 20 and 6 cubes are 6. That is 726.
4465 10 rods make a flat, so 4 flats and 6 rods are left, with 5 cubes. That is 465.
5504 10 cubes make a rod, so there are 10 rods and 4 cubes. 10 rods make a flat. That is 5 flats, no rods and 4 cubes: 504.
6A, B A is 200 and 80. B is 100 and 18 tens, which is 100 and 180. C is 208 and D is 380.
7False There are 5 flats and 3 rods. That is 530, not 503.
8tens The 4 is in the middle. It says 4 tens.
960 The 6 is in the tens place. It means 6 tens, which is 60.
101-B, 2-A, 3-C
11A A is 2 flats and 16 rods and 3 cubes, which is 363. B is 358.
121, 3, 2 91 has no hundreds. 190 has 1 hundred. 901 has 9 hundreds.
13Your own words: a grown-up reads it.
Mark each answer, count the right ones and write the score on the sheet.