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.

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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Math Games for Teachers

Grade 4 - Number

Standard 4.N.3 - Solve multiplication equations with numbers up to 1000 that are multiples of ten.

Included Skills:

Demonstrate an understanding of multiplication of whole numbers (limited to numbers less than or equal to 10) by: applying mental mathematics strategies, explaining the results of multiplying by 0 and 1
Explain the strategy used to determine a product.
Explain the strategy used in a given solution to a product. For example:
- for 4 x 3, thinking 2 x 3 = 6 and 4 x 3 = 6 + 6 or 6 + 2 = 12 (halving and doubling)
- for 3 x 7 think 2 x 7 = 14 and 14 + 7 = 21 (doubling and adding one more group)
- for 9 x 6, think 10 x 6 = 60 and 60 - 6 = 54 (multiplying by ten and subtracting one group)
- knowing 2 x 6 = 12, then 4 x 6 = 12 x 2 = 24 (doubling)
- for 64 ÷ 8, think 8 x ? = 64 (relating division to multiplication)
- for 8 x 5, knowing that 5 x 5 = 25, and then skip counting by 5 three times to get 25 + 5 + 5 + 5 = 40.
Explain the property for determining the answer when multiplying numbers by one.
Explain the property for determining the answer when multiplying numbers by zero.

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