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Calculators

Hipervinculo Matemáticas

Calculators

"Familiarising the student with calculators, evaluating the appropriateness of their use in different situations involving calculation." Fuente: Proyecto Agrega Calculators es un recurso ed ...

Calculations rounding off to the hundreds place

"Learning object about addition, subtraction and multiplication by a one-digit natural number, rounding one of the terms off to the nearest hundred. " Fuente: Proyecto Agrega Calculations r ...

Budgets

Hipervinculo Matemáticas

Budgets

"Practises estimation and approximation with amounts of money, as well as calculation and the evaluation of errors made in each case. "Fuente: Proyecto Agrega Budgets es un recurso educativ ...

Axis symmetry

"We will introduce different objects found in everyday life in which an axial symmetry exists, and others in which it appears to exist. We will deduce the conditions that must be met by a shape f ...

Axes of symmetry: identification and drawing.

"We will use the alphabet in capital letters to identify those letters that have one or two axes of symmetry and those that have none." Fuente: Proyecto Agrega Axes of symmetry: identificat ...

Area

Hipervinculo Matemáticas

Area

"Teaching sequence for studying the concept of area. The five component teaching units work on the concept of area through measurement and tessellations of the plane " Fuente: Proyecto Agreg ...

Approximation in calculations with natural numbers

"Strategies are introduced for estimating the results of simple mathematical operations." Fuente: Proyecto Agrega Approximation in calculations with natural numbers es un recurso educativo ...

Addition with compensation

"Practice with addition problems done with the approximations obtained in different unit orders, compensating each of the addends by adding one and subtracting one." Fuente: Proyecto Agrega ...

Adding and subtracting with natural numbers

"Learning unit on the terms of addition, mental calculation, rounding off, automation and the commutative property. " Fuente: Proyecto Agrega Adding and subtracting with natural numbers es ...

Adding and subtracting measurements of mass

"Everyday problems are posed that are solved by adding or subtracting measurements of mass " Fuente: Proyecto Agrega Adding and subtracting measurements of mass es un recurso educativo publ ...

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