First Grade Math Ideas or Curriculum

Equal components or equal shares

The orange circle has 2 equal components

The blue circle has 4 equal components

Arrays

An array is an association of objects in equal rows or columns.
The primary array is product of soccer balls
The array has 2 rows and three columns
2 × 3 = 6 balls
The second array is product of squares.The array has 3 rows and 4 columns
3 × 4 = 12 squares

Quarter

Quarter = one-fourth = 1 of 4 equal components. The sq. beneath is split into 4 equal items. One piece proven in inexperienced is 1 / 4 or one-fourth. 

Associative property

2 + 3 + 1       =  (2 + 3) + 1
                     =  2 + (3 + 1)
       =  6

Closed determine

All sides of a closed determine are related. If there’s any hole or opening regardless of how small, then it isn’t a closed determine. 

Hour hand

The hour hand takes 1 hour to maneuver from a quantity to the following. The hour hand is smaller.

Hour or hr = 60 minutes

Estimate

An estimate will not be the identical as a precise reply. We simply want a quantity near the precise quantity. To estimate the variety of marbles, we simply must know about what number of

Doable solutions: 15, 14, or 17

Commutative property

Whether or not 2 is written first or not, the reply to 2 + 1 continues to be 3
2 + 1 = 1 + 2 = 3

2-dimensional figures
Examples of two-dimensional figures are pentagons, triangles, rectangles, and circles.

Sorts of clocks
Two sorts of clocks are analog clocks and digital clocks. An analog clock makes use of two or three arms to point out the time. A digital clock makes use of numbers to point out the time.

Dice

A dice has 6 faces, 12 edges and eight vertices. The dice beneath exhibits 3 faces with the colour crimson, blue, and orange. The dice additionally exhibits a vertex with a tiny white circle.

Multiples of 10
The multiples of 10 are 10, 20, 30, 40, 50, 60, …

Counting up

Begin at 3 and depend 2 extra to succeed in 5

Quantity

A quantity signifies what number of or how a lot. A numeral is used to characterize the variety of objects. For instance, after counting the pencils within the determine beneath, we get 4. We use the numeral 4 to characterize 4 pencils.

three-dimensional shapes

3 dimensional shapes are stable shapes which have width, size, and top.
Examples of three-dimensional shapes are cones, cylinders, soda cans, soccer balls, and spheres.

Make 10

Make 10 is a technique that may assist youngsters to shortly add two numbers.
For instance, to shortly add 8 and seven, youngsters can attempt to make a ten first.

8 + 7 = (8 + 2) + 5 = 10 + 5 = 15

8 + 7 = 5 + (3 + 7) = 5 + 10 = 15

Minute hand

The minute hand takes 5 minutes to maneuver from a quantity to the following. The minute hand is greater.

1 minute = 60 seconds
5 minutes = 300 seconds

Totally different

The 2 triangles are totally different, however they’ve the identical form.

Counting down

Begin at 6 and depend backward to succeed in 2.

Composite form

The arrow proven beneath is a composite form since it’s produced from 2 fundamental shapes (a triangle and a rectangle)

Amassing knowledge

Expression

An expression has no equal signal. For instance, 8 + 4 – 6 is an expression. 

Cash
A coin is a flat and spherical piece of metallic that’s used as cash in a rustic.
In United States, the cash which are principally used are pennies, nickels, dimes, and quarters.  

1 penny = 1 cent
1 nickel = 5 cents
1 dime = 10 cents
1 quarter  = 25 cents

2 dimes + 1 quarter + 3 nickels = 60 cents

Equation

Equation all the time have an equal signal. The quantity on the left facet is the same as the quantity on the precise facet. For instance, 2 + 4 = 6 is an equation.