SumBlox are great for children and adults of all ages but are best suited, academically, for children ages 2-12.
What mathematical concepts can SumBlox teach?
Students can learn a wealth of information through play and hands-on exploration. These topics include:
Understanding our base-ten system
Reason abstractly and quantitatively
Directly compare two objects with a measurable attribute in common
Describe measurable attributes of objects, such as length or weight
Classify objects into given categories
Addition / Subtraction
Solve Addition and Subtraction word problems using objects
Compose and decompose numbers
Find missing addends
Multiplication / Division
Define multiplication; emphasis on multiples
Find factors of whole numbers and use commutative property of multiplication
Classify whole numbers (greater than one) as prime or composite
Draw conclusions about the factors of a whole number
Use associative property of multiplication
Use distributive property of multiplication
Fractions / Adding Fractions
Define denominator of fractions
Define numerator of fractions within halves, fourths, and eights
Find equivalent fractions within thirds, sixths, ninths, and twelfths
Compare two fractions using inequality symbols
Compare and order three fractions using compound inequalities
Find the value of a fraction of a whole number
Find the fraction, or part, a given value is of a whole value
Add two fractions with the same denominator to get a sum up to one whole and fully decompose a given fraction
Add two fraction addends with the same denominator to get a sum greater than one whole
Add multiple fraction addends to find sums greater than one whole and represent sums in improper form and mixed numbers
Add two fraction addends with different denominators (only having to scale one of the addends)
Add three fraction addends with different denominators (only having to scale two of the addends)
Add two fractions addends with different denominators (having to scale all addends to find a common denominator)
Shipping & Returns
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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