In this regroup and subtract worksheet, students "use making 10 strategy" to regroup ones and tens and subtract 5 problems. A reference web site is provided.

In this subtraction word problem worksheet, students use the counting back strategy to find the differences. Students solve six problems.

When told to describe a line, do your pupils list its color, length, and which side is high or low? Use a activity that engages scholars to properly label line graphs. It then requests two applied reasoning answers.

Prompt scholars to complete a magic square using only variables. Then they can attempt to solve a numerical magic square using algebra. 

Get a line on the snakes. The assessment task requires the class to determine the species of unknown snakes based upon collected data. Individuals analyze two scatter plots and determine the most likely species for five...

Population density, it is not all that it is plotted to be. Pupils analyze a scatter plot of population versus area for some of the states in the US. The class members respond to eight questions about the graph, specific points and...

Graph A goes with equation C, but table B. The short assessment task requires class members to match graphs with their corresponding tables, equations, and verbalized rules. Pupils then provide explanations on the process they used to...

Investigate the relationship between independent and dependent variables. Individuals begin by identifying independent and dependent variables from different problem situations. Then, using specific guidelines, they create posters...

Students become familiar with the process of subtracting fractions.  In this subtracting fractions instructional activity, students complete examples and then write a story problem. Students continue to practice while sharing their...

Students consider prices while planning a trip to Colonial Virginia. In this budgeting lesson, students construct an itinerary of events for a vacation. Students are responsible for working within the approved budget.

While this lesson provides a motivating and interesting way to review the concept of the order of operations, it involves the use of software called How the West Was One + Three x Four. There are also other resources that are referenced,...

Delve into the concept of operating on the set of real numbers! In this operating with the set of real numbers lesson plan, pupils perform order of operations on the set of real numbers using a calculator.

In this mathematical operations instructional activity, students use the problem solving strategy of understand, plan, solve, and look back to compare the number of birds seen in the Nature Clubs bird watching walk. Students find the...

Start with a NOVA video about car crashes, crash test dummy footage, or other video about seat belt use. Or have groups review attached data about seat belt usage (by state) and share their conclusions. Learners then devise a method to...

Create a unique print using vegetable stencils and tempera paints applied to grid like pattern formed from cut pieces of paper. Your students will choose either a warm or a cool color scheme.

Study the difference between mass and weight. Your math group will compare the weight of an item to the amount of space that it uses. They'll then use conversion factors to find the difference between kilograms and pounds. Essential...

Students discuss the difference betwen two-dimensional vs. three-dimensional art. In this art lesson, students discuss what symmetry or balance is in art and construct a symmetrical and an asymmetrical mobile.

Second graders use mental math in calculations involving addition and subtraction. They study doubles facts to work out addition problems mentally using part and or whole reasoning.

Learners draw and calculate altitudes. They draw the altitude of acute, right and obtuse triangles and calculate the altitude of a triangle using the Pythagorean theorem.

Second graders investigate the addition of whole numbers. They mentally perform calculations involving addition and subtraction. They make sensible estimates and check the reasonableness of answers.

Students explore another meaning of subtraction as it pertains to the inverse of addition. In this what balances lesson, students identify the concept of subtraction as a balance. Students use subtraction facts to generate addition...

In this math worksheet, students use basic addition and subtraction to solve 20 real life word problems. Some strategies are given on the page. This is from the UK; money is in pounds and pence.

Third graders examine the vocabulary and strategies to be used with addition, subtraction, and multiplication word and story problems. They observe the teacher solve a variety of problems, then write and illustrate their own original...

Students play a game called 'Limit 2' and analyse their moves in order to establish a winning strategy. The subtraction game in this activity is one of a number of games in a unit called 'Analysing games' in the above publication.