Illustrative Mathematics
“One More” Concentration
Help your primary learners develop an understanding of the concept of one more and one less using two sets of number cards. The first set of cards, all in one color, is the "one less" deck. The second set, again all in one specific...
Illustrative Mathematics
$20 Dot Map
Challenge the addition skills of young learners with this open-ended math problem. The task is simple, get from start to finish by connecting a series of three numbers. The trick is that the sum of the numbers must be less than...
Common Core Sheets
Comparing Fraction Relative Size
Which is the larger amount? Two-fourths of 10 dollars, or one-fourth of 100 dollars? This type of question is the main focus of a worksheet that has learners comparing fractions by their relative size. Each problem contains...
Curated OER
How Many Buttons
Help learners explore the concepts of more than, less than, and equal to. They participate in a button attribute activity, play a game using buttons and a die, draw the sets of buttons in their journal, and play button bingo.
Curated OER
Rice Math Problems
Third graders practice solving math equations using rice as their subject. They translate situations involving rice into math equations in order to solve them properly. They also discover and practice using math vocabulary terms...
Math Mammoth
Multiplying in Columns, Standard Way
In t his multiplication worksheet, students read about column multiplication and complete 22 problems. A website reference for additional resources is given.