Estimate Products Mini-Quiz

Determine whether the product will be an overestimate or an underestimate:

Groups:

(a) Overestimate

,

(b) Underestimate

An estimate that is greater than the actual answer is known as an:

• Partial Product

• Underestimate

• Sum

• Overestimate

Tags

CCSS.4.NBT.B.5

Rewite the equation in estimated form (do not solve):

42 X 744

Mathematical Equivalence

OFF

Tags

CCSS.4.NBT.B.5

Solve to find the product of the estimated equation: 400 X 80

• 480

• 3,200

• 32,000

• 320,000

Tags

CCSS.4.NBT.B.5

An estimate that is less than the actual answer, is known as an ​ (a)   .

• underestimate
• overestimate
• partial product
• lucky guess

Tags

CCSS.4.NBT.B.5

Rewite the equation in estimated form (do not solve):

29 X 890

Mathematical Equivalence

OFF

Tags

CCSS.4.NBT.B.5

Estimate and then solve: 34 X 599

• 30 X 500 = 15,000

• 40 X 600 = 24,000

• 30 X 600 = 18,000

• 30 X 600 = 1,800

Tags

CCSS.4.NBT.B.5

We round DOWN when the number we look at is either ​ (a)   ​ (b)   ​ (c)   or ​ (d)   .

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Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

We round UP when the number we look at is either ​ (a)   ​ (b)   ​ (c)   ​ (d)   or ​ (e)   .

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Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

A product in math is known as:

• The answer to an addition equation.

• The answer to a subtraction equation.

• The answer to a division equation.

• The answer to a multiplication equation.

Tags

CCSS.3.OA.A.1