Children will be learning at school how to round up decimals to the nearest whole number. A fun way to practise this at home is to use regular dominos and establish that each piece is a decimal number (so a domino one with 3 dots and 4 dots is 3.4). Encourage them to play with the dominos, but with the rule that they can only, for example, join 2 dominos that are within 1.5 of each other. This will really get them thinking about what each decimal point represents. A number line can also be useful when rounding decimals.
Relate the numbers and multiplication tables to everyday life. Try to find ways to incorporate the math tables into daily life. This will help you truly understand the numbers instead of simply memorizing the material. If you know that a special holiday is only 8 weeks away, you can use your multiplication facts to figure out how many days away it is. There are 7 days in a week, so 7 times 8 is 56. Your holiday is only 56 days away!