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Each game has 10 questions.

Green box means correct.

Yellow box means incorrect.

Unlock harder levels by getting an average of 80% or higher.

Earn up to 5 stars for each level

The more questions you answer correctly, the more stars you'll unlock!

Each game has 10 questions.

Green box means correct.

Yellow box means incorrect.

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Grade 4 - Number

Standard 4.N.6 - Practice estimating multiplication equations by first rounding the numbers then multiplying them together.

Included Skills:

Demonstrate an understanding of multiplication (2- or 3-digit by 1-digit) to solve problems by:

• using personal strategies for multiplication with and without concrete materials.

• using arrays to represent multiplication.

• connecting concrete representations to symbolic representations.

• estimating products.

• applying the distributive property.

• Model a given multiplication problem, using the distributive property; e.g., 8 × 365 = (8 × 300) + (8 × 60) + (8 × 5).

• Use concrete materials, such as base ten blocks or their pictorial representations, to represent multiplication; and record the process symbolically.

• Create and solve a multiplication problem that is limited to 2- or 3-digits by 1-digit, and record the process.

• Refine personal strategies to increase their efficiency.

• Estimate a product, using a personal strategy; e.g., 2 × 243 is close to or a little more than 2 × 200, or close to or a little less than 2 × 250.

• Model and solve a given multiplication problem, using an array, and record the process.

• Solve a given multiplication problem, and record the process.

• Solve a given problem using the standard/traditional multiplication algorithm.

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