What multiplication do each of the diagrams show
- Slides: 36
What multiplication do each of the diagrams show? 0 1 2 3 4 ?
The answer will be less than one 3 lots of 2 is 6 So 3 lots of 2 sevenths is 6 seventh. Divide 3 by 7, then multiply it by 2
0 1 2 3 4
What is the same and what is different about each pair of calculations and their answers? Use bar models to help explain.
A third of one fifth is three times smaller than one fifth. 1 0 1
Find the missing numbers. Do any have more than one answer?
Put the following in ascending order.
Tommy says that to multiply fractions you just need to multiply the numerators and multiply the denominators. Explain whether this method would be suitable for the following.
Use the diagrams to help complete the sentences. 1 1
Work out the following.
Complete the facts shown in the representation below. Are there any other facts you can see? 4
Complete the statements using <, > or =
Find the reciprocal of the following.
Work out the following sets of calculations. What do you notice?
2 7
Use the idea of division being the same as multiplying by the reciprocal to calculate.
Calculate the answers to the following, thinking carefully about which method to use.
Eva and Rosie are playing a game with 4 dice arranged in a calculation. If the answer is a whole number you win a point. What numbers could Eva roll to score a point? Here is Rosie’s roll. Can she score a point?
How many different written representations can you find these for this bar model? 0 1 2 3 4
Work out the following multiplications.
Work out the following divisions.
Work these out, giving your answers in their simplest form.
What is the same and what is different about these pairs of calculations?