# Place Value Cards

# 025803

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#### Product Description:

9 digit cards (1-9), 9 tens cards (10-90), 9 hundreds cards (100-900), and 9 thousands cards (1000-9000). These thin, plastic cards can be stacked to form numbers from 1 to 9999. ~ Anh

Category Description for RightStart Mathematics:

Based on research comparing the differences between Japanese first grades and first grade classrooms in the U.S., this curriculum incorporates certain aspects from Asian math programs such as non-counting strategies and, for us, an alternative number naming system. In this program, the student is taught to see quantities in groups of fives and tens. When asked to add 9 + 7, instead of counting 7 up from 9, you would take 1 from 7 to make 10 and 6. This program also uses a unique number naming system. Asian words for numbers greater than 10 implicitly give you a feel for the base ten system. Literally translated, eleven is "ten-one," twelve is "ten-two," and so on. RightStart students learn to count the "math-way" before they are taught the less intuitive words for 11 to 19.

I cant summarize this program better than the creator, so let me quote from the manual:

"There are eleven major characteristics.

1. Refer to quantities of up to 3 as a group; do not count individually.

2. Use fingers to show quantities up to 10; teach 6 to 10 as 5 plus a quantity.

3. Avoid counting procedures for finding sums and remainders.

4. Once quantities 1 to 10 are known, proceed to 10 as a unit. Use the "math way" of counting; say for example, 1-ten 1 for eleven, 1-ten 2 for twelve, 2-ten for twenty, and 2-ten 5 for twenty-five.

5. Use expanded notation (overlapping) place-value cards for recording 10s and 1s

6. Proceed rapidly to hundreds and thousands; use place-value cards. Provide opportunities for trading between ones and tens, tens and hundreds, and hundreds and thousands with manipulatives.

7. Only after the above work, give the traditional English names for quantities 20 to 99 and then 11 to 19.

8. Teach tens-based strategies for addition and subtraction facts that have a sum > 10. Teach informal solutions and mental computation before written algorithmic work.

10. Teach four-digit addition and subtraction on the abacus; let the children discover the paper and pencil algorithms.

11. Short division precedes long division, which is taught in fourth grade."

In Level G, students continue to practice arithmetic, fractions and decimals, while they begin to also explore triangles, area, volume, ratios, Pythagorean Theorem, tiling, and other new concepts.

CHOKING HAZARD (1). Not

Category Description for COMPREHENSIVE PROGRAMS - ELEMENTARY:

Primary Subject
Mathematics
PK
Format
Math Manipulative
Brand Name
Activities for Learning
Weight
0.1438 (lbs.)
Dimensions
4.5" x 1.0" x 1.0"
Browse 1 question Browse 1 question and 8 answers
Why did you choose this?
Rainbow Resource Center Store
Need it
on Feb 16, 2021
need it for homeschooling
on Apr 26, 2020
Need it
on Feb 16, 2021
Friend said to use it for our level B math
on Jul 8, 2020
Friend said to use it for our level B math
on Jul 8, 2020
I needed an extra set for Right Start Math
on Aug 15, 2019
5.0 / 5.0
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Rated 5 out of 5
An easy learning tool
Used this with another math curriculum and my son picked up place value in a single lesson. Worked tremendously well to teach place value for a visual kinesthetic learner. He very quickly could compose and decompose large numbers
January 22, 2016
Purchased
over 6 years ago

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