MENTAL MATHS: Round the following numbers off:

Here are the solutions to the problems. MENTAL MATHS: Round the following numbers off: Note: For the "Nearest thousands" column, it is assumed that "thousands" is a typo and should be "thousandth" given the context of decimal fractions. If it literally meant "Nearest thousands" (whole number), the answers would be 0, 0, and 2000 respectively. | Number | Nearest Unit | Nearest tenth | Nearest hundredth | Nearest thousandth | | :---------------- | :------------- | :------------ | :---------------- | :----------------- | | 64.45369 | 64 | 64.5 | 64.45 | 64.454 | | 9.8472 | 10 | 9.8 | 9.85 | 9.847 | | 2345.9991 | 2346 | 2346.0 | 2346.00 | 2345.999 | Activity 1: Complete the following multiplication table. | Number | multiply by 1 | multiply by 10 | multiply by 100 | | :------------- | :-------------- | :--------------- | :---------------- | | 5 | 5 | 50 | 500 | | 5.3 | 5.3 | 53 | 530 | | 0.5 | 0.5 | 5 | 50 | | 3.75 | 3.75 | 37.5 | 375 | | 45.5 | 45.5 | 455 | 4550 | | 0.2 | 0.2 | 2 | 20 | Activity 2: a) Complete the following multiplication table. | Number | multiply by 3 | multiply by 5 | multiply by 10 | | :------------- | :-------------- | :-------------- | :--------------- | | 3.12 | 9.36 | 15.60 | 31.2 | | 0.5 | 1.5 | 2.5 | 5 | | 3.72 | 11.16 | 18.60 | 37.2 | | 15.25 | 45.75 | 76.25 | 152.5 | | 0.2 | 0.6 | 1 | 2 | Activity 2: b) The problems for this section are not visible in the image provided.