Quarter 1 Quick Math

Find the product: 6x7=_____

• 13

• 48

• 42

• 49

Answer explanation

Always double check your multiplication with skip counting or another method.

How would you estimate 13 x 22

• 20 x 20

• 10 x 20

• 10 x 10

• 13 x 22

Answer explanation

when you estimate you round numbers so that they are easier to complete with mental math.

Find the product: 7x7=_____

• 13

• 48

• 42

• 49

Answer explanation

Always double check your multiplication with skip counting or another method.

Find the best estimate for: 7x7=_____

• 7 x 7 =

• 10 x 10 =

Answer explanation

When you see the word estimate you should always round your numbers.

Find the missing factor: 6 x ___=42

• 36

• 8

• 7

• 5

Find the missing factor: 10 x ___=50

• 50

• 10

• 40

• 5

Find the missing factor: 2 x ___=20

• 50

• 10

• 40

• 5

Answer explanation

Multiplying any number by 10 will result in an answer that is 10 times greater that has an additional 0 to show that it is 10 times greater.

Match the following

• product

• Answer to a multiplication problem

  factor x factor = ___

• quotient

• Answer to a subtraction problem

  minuend - subtrahend = ___

• difference

• Answer to an addition problem

  addend + addend = ___

• sum

80 x 35=

Mathematical Equivalence

ON

Answer explanation

Always use two strategies to check your work and make sure to double check your math.

• 0

• 1

• 12

• 1.5

Answer explanation

Any number divided by itself will be 1