Rainforest Maths - tons of great math resources for grades K-6. The interface of the whole site is also colorful,
inviting and age-appropriate. Also, many of the activities/exercises include assorted visuals, and there is a good variety of questions within each topic.
Numbers & Operations Accomplishments
| K.1.1 | Understand numbers, ways of representing numbers, relationships among numbers, and number systems. |
|
a. |
Count sets of objects up to 20; | |
b. |
Count by ones and tens to 50; | |
c. |
Count backward from 10 to 1; | |
d. |
Match quantities up to twenty with numerals; | Tens & Ones - Matching numerals to sets. |
e. |
Recognize equivalent sets of objects; | |
f. |
Write numerals up to twenty; | |
g. |
Represent quantities up to 20 on ten-frames; | Numbers to 31 - Color the correct sets of 10's and 1's to make the number. |
h. |
Determine whether a figure has been divided in halves; | Explore Symmetry - Choose the other half of the object. |
i. |
Name and identify coins and their values; | |
j. |
Order numbers less than 20; | Order Numbers 1-10 - Practice activity from Sadlier Oxford. |
k. |
Express the relationship between two numbers less than 20 using the words less than, more than, or equal to; | Compare Numbers to 31 - Practice activity from Sadlier Oxford. Compare Numbers to 31 #2 - Another activity from Sadlier Oxford. |
l. |
Identify the position of a whole number less than 20 on the number line; | Number Line - Place the numbers in the correct order. |
m. |
Apply the language of ordinal numbers up to tenth. | |
| K.1.2 | Understand meanings of operations and how they relate to one another. |
|
a. |
Use manipulatives to develop strategies for addition and subtraction of whole numbers; | |
b. |
Use a variety of strategies to solve simple verbal story problems involving numbers 0 to 10. | |
| K.1.3 | Solve problems, compute fluently, and make reasonable estimates. |
|
a. |
Use words, actions, pictures, or manipulatives to solve problems; | Fewest, Most - Move the fish to match the fishbowl (Some, Fewest, Most) |
b. |
Use pictures or objects, such as a ten frame, to show one more or one less than any number to 20; | |
c. |
Explain the reasonableness of a solution |
Algebra Accomplishments
| K.2.1 | Sort and classify objects by size, number, and other properties. |
|
a. |
sort objects by color, size, shape, and kind; | Sort by Color & Shape - Practice activity from Sadlier Oxford Sort Two Ways - Enrichment activity from Sadlier Oxford. |
b. |
communicate using mathematical terms appropriately | |
| K.2.2 | Represent and analyze patterns and functions. |
|
a. |
identify patterns in the environment, in arrangements of objects, or in pictures; | |
b. |
recognize and extend a concrete, visual, or auditory two- or three-part repeating pattern; | Shape Patterns - Practice activity from Sadlier Oxford |
c. |
create and describe a simple repeating pattern. | Transfer Patterns - Practice activity from Sadlier Oxford Transfer Patterns 2 - Another activity matching patterns. |
| K.2.3 | Use concrete, pictorial, and verbal representations to develop an understanding of the language and symbols of mathematics. |
Addition Readiness - Practice activity from Sadlier Oxford Add 4 - Another addition activity. Vertical Addition - Add correctly to build a rocket. |
a. |
use manipulatives or pictures to demonstrate addition and subtraction sentences written symbolically involving numbers 0 to 5; | Subtraction - Practice activity from Sadlier Oxford Subtract 4 - Another subtraction activity. |
b. |
read and explain simple addition and subtraction number sentences written symbolically. | |
| K.2.4 | Illustrate general properties of operations. |
|
| K.2.5 | Analyze change in various contexts. | Addition & Subtraction Patterns - Which number makes each problem correct? |
Geometry Accomplishments
| K.3.1 | Analyze characteristics and properties of geometric shapes. |
|
a. |
recognize and name circles, squares, triangles, and rectangles when shown in various positions; | |
b. |
recognize examples of circles, squares, triangles, and rectangles in the environment and as faces of three-dimensional objects; | Same Shape - Concentration game matches basic shapes to objects of the same shape |
c. |
recognize basic properties of and similarities and differences between simple geometric figures (e.g., number of sides, corners); | |
d. |
create circles, squares, rectangles, and triangles | |
e. |
create structures using three-dimensional shapes; | |
f. |
combine two-dimensional shapes to make pictures. | |
| K.3.2 | Specify locations and describe spatial relationships. |
|
a. |
use directional terms in a variety of situations (e.g., over, under, forward, backward, between, right, left). | Left, Right - Follow directions to place the animals correctly. |
| K.3.3 | Recognize and apply flips, slides, and turns. |
Measurement Accomplishments
| K.4.1 | Demonstrate understanding of units of measure and measurable attributes of objects. |
|
a. |
Demonstrate understanding of the concept of length; | |
b. |
Compare the length, weight, and capacity of two objects; | Order by Length - Practice activity from Sadlier Oxford. Shorter, Taller - Practice activity from Sadlier Oxford. Order by Weight - Practice activity from Sadlier Oxford. |
c. |
Use words to describe time (e.g., day, night, morning, afternoon, yesterday, today, tomorrow); | |
d. |
Use words to describe temperature (e.g., hot, warm, cool, cold). | |
| K.4.2 | Apply appropriate techniques and tools to determine measurements. |
|
a. |
Measure and estimate length using a variety of non-standard units; | |
b. |
Distinguish between light and heavy objects; | |
c. |
Tell time to the hour; | Time to the Hour - Practice activity from Sadlier Oxford Time to the Hour - Another activity from Sadlier Oxford. |
d. |
Recognize a thermometer as a way of measuring temperature; | |
e. |
Recognize a calendar as a way of measuring time. | Yesterday, Today, Tomorrow - Use the calendar to click on yesterday & tomorrow. |
Data Analysis Accomplishments
| K.5.1 | Develop, select, and use appropriate methods to collect, organize, display, and analyze data. |
|
a. |
Represent and compare data using concrete objects, pictures, and simple graphs. | |
| K.5.2 | Apply the basic concepts of probability. |
More Likely, Equally Likely, Less Likely - Follow directions to paint the spinner correctly. |
a. |
Describe events related to students’ experiences as likely or unlikely. |