22 x _____ = 660
What is the missing number?
30
What are the common factors of 24 and 36?
The common factors are: 1, 2, 3, 4, 6, 12
Write in what the missing numbers could be.
170 + _____ = 220 - _____
25
other answers/s?
Each individual number in a sequence of numbers is called what?
"term"
How will you know if a number is divisible by 2, 5, and 10?
If a number ends in a 0, it is divisible by 10. Also if a number is divisible by both 2 and 5, it is divisible by 10.
Divisible by 2 if it is EVEN number.
Divisible by 5 if it ends in 0 or 5.
Give all factors of 20 that are less than 10.
1, 2, 4, 5
900 - 47 = ?
853
What is the rule for this sequence: 29, 21, 13, 5, ...
minus 8 (-8)
Which one of the following is different?
6 × 10 5 × 12
12 × 5 8 × 8
8 x 8
6 × 10 = 60
5 × 12 = 60
12 × 5 = 60
8 × 8 = 64
Define "square number". Give one example.
A square number is the result when a number has been multiplied by itself. Ex. 5 x 5 = 25
997 + 799 = ?
1796
256, 128, 64, 32, ... How do you know what's next?
to find the next term, half the number each time
24 folders each has 56 sheets of paper inside them. How many sheets of paper are there altogether?
1344 sheets of paper
One (1) is a square number. True or False.
TRUE
_____ - 75 = 109
184
What is the term before 6 in this sequence:
-6, 1, 8, 15...
-13
Complete the statements.
Division is repeated __________.
Division is the inverse of __________.
subtraction and multiplication
Give all multiples of 8 that are between 50 and 90
56, 64, 72, 80, 88
What number is 13,409 greater than 12,571?
25,980
A sequence starts at 500 and 80 is subtracted each time. What are the first two numbers in the sequence which are less than zero.
-60 and -140