Menu

Mrs. Kin's 2nd Grade Website

Math Links: XTRAMATH

 

 

Quarter 1 Math Concepts

 

Unit 1 Essential Skills

    *Determine odd or even numbers up to 20 objects.

    *Count by fives, tens, and hundreds within 1,000.

    *Tell time from analog clocks to the nearest five minutes.

    *Compare two three-digit numbers using greater than, less than, and equals.

    *Determine odd or even numbers up to 20 objects.

    *Fluently add and subtract within 20 using mental strategies.

 

Unit 1 Vocabulary

Base-ten blocks, calendar, cube, equivalent names, even number, Fahrenheit, flat, equal, is greater than, is less than, long, number line, odd number, ordinal numbers, temperature, thermometer

 

Unit 2 Essential Skills

    *Fluently add and subtract within 20.

    *Use addition and subtraction to solve words problems.

    *Count by fives, tens, and hundreds within 1,000.

 

Unit 2 Vocabulary

+ zero facts, + one facts, + nine facts, - zero facts, - one facts, - nine facts, - eight facts, addition number story, difference, doubles facts, fact family, facts triangle, frames-and-arrows diagrams, name collection box, number model, subtraction number story, turn-around facts

 

Quarter 2 Math Concepts

 

Unit 3 Essential Skills

    *Tell and write time from analog clocks to the nearest five minutes.

    *Solve word problems involving dollar bills and coins.

    *Represent data in line plots and bar graphs.

 

Unit 3 Vocabulary

Analog clock, clock face, hour hand, dollar bill, quarter, bar graph, digital clock, minute, penny, dime, nickel

 

Unit 4 Essential Skills

    *Use strategies to add and subtract within 1,000.

    *Use addition and subtraction to solve word problems.

 

Unit 4 Vocabulary

Mental math, ballpark estimate, change diagram, thermometer, centimeter (cm), degrees Celsius, degrees Fahrenheit, inch (in.), parts-and-total diagram

 

Unit 5 Essential Skills

    *Recognize, draw, and identify shapes having specified attributes.

 

Unit 5 Vocabulary

Attributes, angles, sides, faces, quadrangle, triangle, square, rectangle, rhombus, parallelogram, trapezoid, pentagon, hexagon, cube, prism

 

                                                      Quarter 3 Math Concepts

 

Unit 6 Essential Skills

    *Use strategies to add and subtract within 1,000.

    *Use addition and subtraction to solve word problems.

    *Use arrays to solve repeated addition problems.

 

Unit 6 Vocabulary

Bar graph, comparison diagram story, difference, equal grouping, equal sharing, multiplication, times

 

Unit 7 Essential Skills

    *Represent sums and differences as lengths from 0 to 100 on a number line.

    *Represent and interpret data in line plots and bar graphs.

    

Unit 7 Vocabulary

Arm span, double, half, line plot, multiple of 10, sort (the data)

 

Unit 8 Essential Skills

     *Measure to the nearest inch, half-inch, centimeter, and half-centimeter.

 

Unit 8 Vocabulary

Cubic centimeter, equivalent, fraction, numerator, congruent

 

 

Quarter 4 Math Concepts

 

Unit 9 Essential Skills

    *Measure and estimate lengths in standard units.

    *Represent and interpret data in line plots and bar graphs.

    *Partition a rectangle into rows/columns of same-size squares and find total.

 

Unit 9 Vocabulary

Area, capacity, foot, gallon, inch, meter, mile, ounce, perimeter, quart, scale, square inch, square unit, surface, weigh, weight, yard

 

Unit 10 Essential Skills

    *Understand 100;s, 10's, and 1's.

    *Read and write numbers to 1,000 using numerals, words and expanded form.

    *Use strategies to add and subtract within 1,000.

    *Use addition and subtraction to solve word problems.

    *Solve word problems involving dollar bills and coins using dollars and cents.

 

Unit 10 Vocabulary

Cube, decimal point, flat, hundreds, place value, tens, thousands

 

Unit 11 Essential Skills

    *Use strategies to add and subtract within 1,000 and explain your answer.

    *Use arrays to solve repeated addition problems.

 

Unit 11 Vocabulary

    *Divided by, division, fact family, factor, fact power, multiplication diagram