Mathematical Operations

8-digit, easy-to-read display. Square root and percent keys. Function signs (+ - x ÷) are shown on the display to clearly see, at all times, the function being performed. Independent memory stores and totals the results of a series of calculations. Features floating negative sign. Rounded, hard plastic keys are tamperproof. Super Solar Power, operates even in low light: never needs batteries. Includes slide-on hard case.

Scientific calculator. LCD display shows up to 10 digits plus 2-digit exponent. Fraction key allows entry and calculation of fractions. Backspace key for easy correction. Many built-in mathematic functions. Independent memory stores and totals the results of a series of calculations. Includes slide-on hard case. Official calculator for use on the GED Series 2002 Mathematics Test.

Using this cleverly designed balance, children develop a concrete yet intuitive understanding of the concepts of numbers, operations, and algebraic equations. For example, when they hang an 8-weight on the right and a 6-weight plus a 2-weight on the left, the balance is level: thus, 8 = 6 + 2. Sturdy plastic. Features numbers 1-10 on each side and twenty 10 g weights that store in the base. Download the worksheet

The game features one system to add and two systems to subtract and carry over by exchanging and equal addition. Includes 8 rewritable boards with number lines, number and frog tokens, 8 felt-tip pens, a comprehensive guide and more. For 1 to 8 children.

Randomly ask addition and subtraction problems. Each translucent, coloured plastic hemisphere contains 3 quiet foam dice: 2 number dice (1-6) and an addition and subtraction dice (+ and -). Ø 10 cm each.

Four-colour plastic set of double-sided tiles. Contains 35 pieces: 5 X2, 10 X and 20 units.

Student replacement set for "X" tiles. 43 pieces.

Four-colour plastic set of double-sided tiles. Contains 35 pieces: 5 X2, 10 X and 20 units.

Layout your flies, pick an equation, then trace to swat the correct answers first. Beware of fly spray and sticky toast. A fun hands-on way to practice 2 to 12 time tables. Includes 4 plastic swatters, 132 coloured cardboard flies, and an activity guide with rules and play ideas. 1 to 4 players.

10-row abacus, each containing 5 red beads and 5 white beads to count to 100. Sturdy plastic frame and beads, metal rods.

Along the even, uneven and number spaces, players roll 1 or 3 dice, create and solve simple additions or subtractions, or wait to get the right number. Includes 1 game board, 4 creature counters, 2 number dice, 1 operation die and the rules. 2 to 4 players.

Chaque Ensemble de classe de 46 pièces contient : 15 Ensembles X, 15 Ensembles Y, 15 Organisateurs de tuiles Alge-Tiles de l'élève et 1 cartable (de type Blackline Master ou BLM) de 130 pages de feuilles d'activités pour les élèves et de notes pour l'enseignant, dans un bac de rangement.

Battery and solar-powered calculator with sliding protective cover. Features: 8 digit display, memory, 4 basic math operations, square roots and percentages, automatic shut-off and adjustable easy-view display. Includes button battery. 7 x 12 cm.

Available in French only.

Student replacement set for "X" tiles. 43 pieces.