Unit 1
Is 7 a prime number or a composite number?
7 is prime. It only has 1 factor pair. 1 x 7
What does equivalent mean?
The fractions are equal in size.
1/4 + 1/4 + 1/4 = ?
3/4. Your denominator stays the same when adding and subtracting fractions.
Is 3/100 equal to 0.3?
No. 0.3 is 3/10 which is not equal to 3/100. To make it equal, it would have to be 0.03.
The rule for this pattern is "start at 3, keep adding 3"
3, 6, 9, 12, 15, 18...
What will be the next multiple of 5 in this pattern?
30. 3 x 10 = 30 and 5 x 6 = 30
What are 4 multiples of 12?
You could say: 12, 24, 36, 48, 60, 72, 84, 96, 108, 120, 132, 144...etc. Counting by 12 will give you multiples of 12.
Is 1/2 equivalent to 5/10?
Yes. 1 is half of 2 and 5 is half of 10.
3 x 2/5 = ?
6/5 or 1 1/5
When you multiply a whole number by a fraction, keep the denominator the same and multiply the whole number by the numerator. 3 x 2 = 6 and the 5 would stay the same.
What number represents this word, "Eighty-Nine Thousand Five Hundred Seven"?
89,507
What is 8 x 4,174?
33,392
Is 27 a prime number or a composite number?
It is composite because it has more than 1 factor pair. 1 x 27 and 3 x 9
Which fraction is greater than 1/2 but less than 1?
4/5
1/3
5/10
5/4
4/5
1/3 is less than half
5/10 is equal to half
5/4 is greater than 1
3/10 + 17/100 + 2/10 = ?
67/100
The denominators need to be the same before you add them. Change 3/10 into 30/100 and 2/10 into 20/100, then add. 30 + 20 + 17 = 67 and keep the 100 the same.
Which number is bigger?
386,981 or 386,899
386,981
What is 35 x 74?
2,590
1,24 2,12 3,8 4,6
Give 3 different equivalent fractions of 3/5.
Examples may include: 6/10, 9/15, 12/20, 15/25...etc
Multiply the numerator and the denominator by the same number to find an equivalent fraction.
4 3/5 + 3 4/5 = ?
8 2/5
4 + 3 = 7
3/5 + 4/5 = 7/5 or 1 2/5
7 + 1 2/5 = 8 2/5
What is 324,567 + 34,762?
359,329
What is 3,626 / 7?
518
Is 80 a multiple of 4?
Yes. 4 x 10 = 40. Another 4 x 10 would be 40. 40 + 40 is 80. So 4 x 20 = 80.
Find out what number represents the x
7/8 = x/32
5 1/6 - 2 5/6 = ?
2 2/6 or 2 1/3
Think distance or cookie tax collector.
What is 827,419 - 80,125?
747,294
What is the rule of this pattern?
2, 5, 11, 23, 47, 95...
Start at 2, multiply by 2, add 1