A set of base-10 block cards to compose and decompose numbers, including decimals.
Use this resource when teaching students how to compose and decompose numbers including decimals.
Print a set of base-10 block cards for each student to use during your place value unit. Call out a number and have your students build it using their cards. These cards are great to send home with students to use, to use at your small group table, or in your math centers.
- unis (ones)
- rods (tens)
- flats (hundreds)
- cubes (thousands)
Use the drop-down menu to choose between the color or black and white version.
Download this resource as part of a larger resource pack or Unit Plan.
Common Core Curriculum alignment
Count to 120, starting at any number less than 120. In this range, read and write numerals and represent a number of objects with a written numeral.
Understand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases:
10 can be thought of as a bundle of ten ones — called a "ten."
The numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones.
The numbers 10, 20, 30, 40, 50, 60, 70, 80, 90 refer to one, two, three, four, five, six, seven, eight, or nine tens (and 0 ones).
Understand that the three digits of a three-digit number represent amounts of hundreds, tens, and ones; e.g., 706 equals 7 hundreds, 0 tens, and 6 ones. Understand the following as special cases:
100 can be thought of as a bundle of ten tens — called a "hundred."
The numbers 100, 200, 300, 400, 500, 600, 700, 800, 900 refer to one, two, three, four, five, six, seven, eight, or nine hundreds (and 0 tens and 0 ones).
Read and write numbers to 1000 using base-ten numerals, number names, and expanded form.
Recognize that in a multi-digit whole number, a digit in one place represents ten times what it represents in the place to its right. For example, recognize that 700 ÷ 70 = 10 by applying concepts of place value and division.
Read and write multi-digit whole numbers using base-ten numerals, number names, and expanded form. Compare two multi-digit numbers based on meanings of the digits in each place, using >, =, and < symbols to record the results of comparisons.
Read and write decimals to thousandths using base-ten numerals, number names, and expanded form, e.g., 347.392 = 3 × 100 + 4 × 10 + 7 × 1 + 3 × (1/10) + 9 × (1/100) + 2 × (1/1000).
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Composing and Decomposing NumbersFractions, Decimals, and PercentagesMathematicsNumber and OperationsNumbersPlace ValueUnderstanding PlaceHands-On MaterialsBase-10Composing and Decomposing NumbersDecimalsGuided Math ActivitiesMath Center ActivitiesMath Manipulatives
We have added a black and white version of this resource.
Addition by Natalie Jul 11th, 2020
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