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Resources for Grade three

Numbers and Comparing

How to write numbers in word

How to count with ordinal numbers

How to identify the greatest/least number

How to compare with addition and subtraction

How to count with roman numerals

Subtraction

How to subtract three digits numbers

How to subtract four or more digits numbers

Place values

How to convert between place values

How to convert between standard and expanded form

Properties

How to identify addition, subtraction, multiplication and division terms

When and how to use parenthesis

What are the properties of addition

What are the properties of multiplication

How to relate addition and multiplication

How to add three or more decimals

Decimals

How to compare decimals

How to convert between decimals and fractions

How to add and subtract decimals

Equations and variables

How to identify equations

How to solve addition and subtraction equations with variables

Estimation and rounding

How to round to the nearest ten or hundred

How to estimate sums

How to estimate differences

How to estimate products

How to estimate quotients

Data and graphs

How to create and interpret line plots, line graphs and pictographs

How to interpret bar graphs

How to interpret tally charts and tables

How to locate points on a coordinate plane

What is the difference between mean, mode, median and range of a statistical serie

Probability and statistics

What is the difference between certain, probable, impossible and unlikely

Fractions

How to identify equal parts

How to use fraction bars

How to identify fractions on number lines

How to compare and order fractions

How to decompose fractions into units fractions

How to add and subtract fractions with like denominators

Addition

How to add two numbers up to three digits

How to balance addition equations with more than three digits numbers

How to add three numbers with four or more digits

Multiplication

How to multiply by 1, 2, 3, 4 and 5

How to multiply by 6,7,8,9,10,11 and 12

How to memorize multiplication tables of 2,3,4,5 and ten

How to multiply numbers ending in zeroes

How to multiply by a multiple of ten

How to multiply one-digits numbers by two or three digits numbers

How to multiply three or more numbers

Division

How to divide by counting equal groups

What is the relationship between multiplication and division

How to divide by 1,2,3,4,5,6,7,8,9,10,11 and 12

How to divide numbers ending in zeroes

what are the divisibility rules for 2, 5 and 10

Measurement

How to compare and convert customary units of length

How to compare and convert customary units of weight

How to compare and convert metric units of length

How to compare and convert metric units of weight

Geometry

How to count and compare sides and angles

What are the different types of angles and triangles

How to identify rotations, reflections and translations

How to calculate perimeters and areas of rectangles

How to calculate perimeters and areas of squares

What is the difference between parallel, perpendicular and intersecting

How to compare perimeters and areas of two figures