Add Subtract Divide Multiply Facts

When multiplying an odd number by an odd number, the product will always...

• be even

• be odd

• end in 5 or 0

• end in 0

Which is true when any number is multiplied by 2?

• The answer is odd.

• The answer is even.

• The answer will have all the same digits.

• The answer becomes a two-digit number.

Kim noticed a pattern in the multiplication facts below: 4 x 6 6 x 6 8 x 2 10 x 2 Which describes the pattern Kim noticed?

• Multiplying even numbers by even numbers will always give an even product

• Multiplying even numbers by even numbers will always give an odd product

• Multiplying odd numbers by even numbers will always give an even product

• Multiplying odd numbers by odd numbers will always give an odd product

In a math computer game, each time Angie put in a number, the computer gave her a different number.

What rule did the computer use to give the number?

• add 5

• add 10

• multiply by 5

• multiply by 2

Which tells the relationship between column R and column S?

• Add 3 to R to get S

• Add 6 to R to get S

• Multiply R by 2 to get S

• Multiply R by 4 to get S

A rule is used to make a pattern of numbers.

8, 16, 32, 64...

Which rule is used to make this pattern?

• multiply by 2

• divide by 2

• subtract 8

• add 8

Phil used a multiplication chart to model a pattern, as shown below.

Which describes the pattern shown by the shaded numbers?

• increase by 5

• increase by 7

• increase by 35

• increase by 45

452 - 234 =

• 218

• 222

• 228

• 686

15+21

• 36

• 34

• -6

• 35

836 x 5

• 4080

• 4150

• 418

• 4180