Add and Subtract
148 + 297 = ?
445
7 x 9 = ?
63
What are the factors of 6?
1, 2, 3, 6
3/7 + 2/7 = ?
5/7
What are the first three multiples of 3?
3, 6, 9 or 6, 9, 12
861 - 395 = ?
466
56 ÷ 7 = ?
8
What are the factors of 10?
1, 2, 5, 10
9/10 - 6/10 = ?
3/10
What are the first four multiples of 6?
6, 12, 18, 24, (30)
17 - 4 + 9 - 11 = ?
11
12 x 29 = ?
348
What are the factor pairs of 24?
1 and 24, 2 and 12, 3 and 8, 4 and 6
1/3 + 4/3 = ?
5/3 or 1 2/3
Is 14 a multiple of 5?
NO
5 + 5 + 5 + 5 = ?
20
321 x 10 = ?
3210
Is 3 a factor of 22?
NO
3/4 - 1/4 = ?
2/4 or 1/2
Is 121 a multiple of 11?
Yes
1037 - 589 = ?
448
4500 ÷ 10 = ?
450
Can a factor be less than one?
NO. Factors have to be whole numbers.
1/2 + 1/2 + 1/2 + 1/2 = ?
4/2 or 2
The least common multiple (LCM) of two numbers is the smallest number which has both of the numbers as factors. What is the LCM of 4 and 6?
12