Grade 2

Mathematics

I. NUMBERS AND NUMBER SENSE

· Read and write numbers up to 1,000.

· Read and write words for numbers from one to one hundred.

· Order and compare numbers to 1,000, using the signs <, >, and =.

· Count

o by twos, threes, fives and tens,

o by tens from any given number,

o by hundreds to 1,000; by fifties to 1,000;

o forward and backward.

· Use a number line.

· Use tallies.

· Identify ordinal position, 1^st to 20^th, and write words for ordinal numbers, first to twentieth.

· Identify even and odd numbers.

· Identify dozen; half-dozen; pair.

· Recognize place value: ones, tens, hundreds, and thousands.

· Write numbers up to hundreds in expanded form (for example 64 = 60 + 4; 367 = 300 + 60 + 7).

· Given a number; identify one more and one less; ten more and ten less.

· Round to the nearest ten.

· Create and interpret simple bar graphs.

· Identify and extend numerical and symbolic patterns.

· Record numeric data systematically and find the lowest and highest values in a data set.

II. FRACTIONS

· Recognize these fractions as part of a whole set or region and write the corresponding numerical symbols: ½, 1/3, ¼, 1/5, 1/6, 1/8, and 1/10.

· Recognize fractions that are equal to 1.

III. MONEY

· Recognize relative values of a penny, nickel, dime, quarter and dollar.

· Write amounts of money using $ and ¢ signs, and the decimal point.

· Show how different combinations of coins equal the same amounts of money.

· Add and subtract amounts of money.

IV. COMPUTATION

A. ADDITION

· Achieve timed mastery of addition facts (2 seconds).

· Recognize what an addend is.

· Know how to write addition problems horizontally and vertically.

· Know how to add in any order and check a sum by changing the order of the addends.

· Estimate the sum.

· Solve two-digit and three-digit addition problems with and without regrouping.

· Find the sum (up to 999) of any two whole numbers.

· Add three two-digit numbers.

· Practice doubling (adding a number to itself).

B. SUBTRACTION

· Understand the inverse relation between addition and subtraction; use addition to check subtraction.

· Know addition and subtraction “fact families.”

· Achieve mastery of subtraction facts.

· Estimate the difference.

· Know how to write subtraction problems horizontally and vertically.

· Solve two-digit and three-digit subtraction problems with and without regrouping.

· Given two whole numbers of 999 or less, find the difference.

C. INTRODUCTION TO MULTIPLICATION

· Recognize the “times” sign (x).

· Know what “factor” and “product” mean.

· Understand that you can multiply numbers in any order.

· Multiplication facts: know the product of any single-digit number x 1, 2, 3, 4, 5.

· Know what happens when you multiply by 1, by 0, and by 10.

· Practice simple word problems involving multiplication.

D. SOLVING PROBLEMS AND EQUATIONS

· Solve basic word problems.

· Write and solve simple equations in the form of ___ - 9 = 7; 7 + ___ = 16;

4 x ___ = 8.

V. MEASUREMENT

A. LINEAR MEASURE

· Make linear measurements in feet and inches; and in centimeters.

· Know that one foot = 12 inches.

· Know abbreviations: ft., in.

· Measure and draw line segments in inches to 1/2 inch and in centimeters.

· Estimate linear measurements, then measure to check estimates.

B. WEIGHT (MASS)

· Compare weights of objects using a balance scale.

· Estimate and measure weight in pounds and know abbreviations: lb.

C. CAPACITY (VOLUME)

· Estimate and measure capacity in cups.

· Measure liquid volumes: cups, pints, quarts, and gallons.

· Compare U.S. and metric liquid volumes: quart and liter (one liter is a little more than one quart).

D. TEMPERATURE

· Measure and record temperature in degrees Fahrenheit to the nearest 2 degrees.

· Know the degree sign: º

E. TIME

· Read a clock face and tell time to five-minute intervals.

· Know how to distinguish time as A.M. or P.M

· Understand noon and midnight.

· Solve problems on elapsed time (how much time has passed?).

· Using a calendar, identify the date, day of the week, month and year.

· Write the date using words and numbers.

VI. GEOMETRY

· Identify and draw basic plane figures: square, rectangle, triangle, circle.

· Describe square, rectangle, triangle according to number of sides; distinguish between square and rectangle in regards to length of sides (a square has sides of equal length).

· Measure perimeter in inches of squares and rectangles.

· Identify solid figures – sphere, cube, pyramid, cone, cylinder – and associate solid figures with planar shapes: sphere (circle), cube (square), pyramid (triangle).

· Make congruent shapes and designs.

· Identify lines as horizontal, vertical, perpendicular or parallel.

· Name lines and line segments (for example, line AB; segment CD).

· Identify a line of symmetry, and create simple symmetric figures.

Science

FOSS Scope and Sequence

Grade		Life Science	Physical Science and Technology	Earth and Space Science	Scientific Reasoning and Technology
Middle School	6-8	Human Brain and Senses	Electronics	Earth History
		Diversity of Life	Chemical Interactions	Planetary Science
		Populations and Ecosystems	Force and Motion	Weather and Water
K-6	5-6	Food and Nutrition	Levers and Pulleys	Solar Energy	Models and Designs
		Environments	Mixtures and Solutions	Landforms	Variables
	3-4	Human Body	Magnetism and Electricity	Water	Ideas and Inventions
		Structures of Life	Physics of Sound	Earth Materials	Measurement
	1-2	New Plants	Solids and Liquids	Air and Weather
		Insects	Balance and Motion	Pebbles, Sand and Silt
	K	Trees	Wood and Paper
		Animals Two by Two	Fabric

© 2007 Delta Education, LLC