 # Math

Texts and Lessons

Videos

 Practice Book Reviews Chapters 1-4 Module Videos Embarc Module Videos Oakdale Khan Academy

Games
 Math Playground Mr. Nussbaum separated by grade level and skill ABCYA math games separated by grade level

Chapter 1 - Numbers to 1,000

Big Idea: Count, compare, and order numbers to 1,000.

Vocabulary
 hundred 10 tens = 100 hundreds 258 = 2 hundreds 5 tens 8 ones thousand 10 hundreds = 1,000 standard form 258 is the standard form of 258 word form two hundred fifty-eight is the word form of 258 expanded form 200 + 50 + 8 is the expanded form of 258 greater than (>) 235 > 146 less than (<) 345 < 372 greatest among 489, 236, and 701, 701 is the greatest least among 489, 236, and 701, 236 is the least more than 1 more than 246 is 247 less than 1 less than 251 is 250

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Practice Worksheet Video

Extra Practice

Resources

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Chapter 2 - Addition Up To 1,000

Big Idea: Three-digit numbers can be added with and without
regrouping.

Vocabulary

 add put together two or more part to make a whole place-value chart regroup change 10 ones to 1 ten or change 1 ten to 10 ones change 10 tens to 1 hundred or change 1 hundred to 10 tens

School-to-Home Connection

Extra Practice

Chapter 3 - Subtraction Up to 1,000

Big Idea: Subtract up to three-digit numbers with and without
regrouping.

Vocabulary

 subtract take away one part from the whole to find the other part place-value chart regroup change 10 ones to 1 ten or change 1 ten to 10 ones change 10 tens to 1 hundred or change 1 hundred to 10 tens

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Extra Practice

Chapter 4 - Using Bar Models: Addition and Subtraction

Big Idea: Addition and subtraction can be shown with bar
models.

Bar models are used to show the part, part, and whole of an addition or subtraction problem.

Bar Model Examples:

Vocabulary

 join bring together two or more sets set a collection of items take away remove one part from the whole compare find out which of two sets has more or fewer things

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Extra Practice

Chapter 5 - Multiplication and Division

Big Idea: Multiplication and division use equal groups

Vocabulary

 times to multiply equal having the same amount or number group a set of things multiply put all the equal groups together repeated addition 3 + 3 + 3 + 3 = 12 Groups of 3 are added 4 times. You can use repeated addition to find the number of things in all. multiplication sentence a number sequence involving multiplication multiplication story a number story involving multiplication share put into groups divide put into equal groups or share equally equal groups groups or sets that have the same amount division sentence a number sentence involving division repeated subtraction 6 - 2 - 2 - 2 = 0 Groups of 2 are subtracted 3 times. You can use repeated subtraction to find the number of groups.

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Extra Practice

Chapter 6 - Multiplication Tables of 2, 5, and 10

Big Idea: Known multiplication facts can be used to find other
multiplication facts

Vocabulary

 skip-count skip-counting by 2s dot paper this is dot paper. It shows 3 rows of 2. related multiplication facts 5 x 2 = 10 2 x 5 = 10 odd number a number that does not divide exactly by 2 (1, 3, 5, 7, 9) even number a number that divides exactly by 2 (0, 2, 4, 6, 8)

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Extra Practice

Chapter 7 - Metric Measurement of Length

Big Idea: Centimeter rulers and metersticks can be used to
measure and compare how long and how tall things
are

Vocabulary

 meterstick a meter-long ruler to measure length length how long something is meter (m) a metric unit of length unit units are used to measure width how wide something is height how wides something is taller, tallest shorter, shortest longer, longest centimeter (cm) a metric unit of length, used to measure shorter lengths

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Extra Practice

Chapter 10 - Mental Math and Estimation

Big Idea: Mental math can be used when an exact answer is
needed.
Estimation can be used when an exact answer is not
needed.

Vocabulary

 sum the result when numbers are added add mentally adding numbers mentally without actual writing difference the result when one number is subtracted from another subtract mentally subtracting numbers mentally without actual writing number line a line that shows numbers in increasing size from left to right about an estimation round for example: 44 is 40 when rounded to the nearest ten nearest ten for example: 44 is 40 when rounded to the nearest ten estimate a number close to an exact amount reasonable when the actual answer is close to an answer from a rounding or estimation

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Extra Practice

Chapter 11 - Money

Big Idea: Money amounts can be shown and counted using
bills and coins

Vocabulary

 \$1 bill a bill with a value of \$1 or 100¢ \$5 bill a bill with a value of \$5 or 500¢ \$10 bill a bill with a value of \$10 or 1,000¢ \$20 bill a bill with a value of \$20 or 2,000¢ cent sign  ¢ a sign that indicates that the value of the amount is in cents (not dollars) dollar sign \$ a sign that indicates that the value of the amount is in dollars (not cents) decimal point a dot that separates the cents from the dollars in money amounts table a table can be used to organize data in rows and columns

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Review - Money

Extra Practice

Chapter 12 - Fractions

Big Idea: Fractions can be used to describe how equal parts
are related to a whole.

Vocabulary

 equal each part is the same size unequal not the same size whole an entire figure and is equal to one fraction a number that names equal parts of a whole one-half one of the parts you get when you divide something into 2 equal parts one-third one of the parts you get when you divide something into 3 equal parts one-fourth one of the parts you get when you divide something into 4 equal parts unit fraction names one of the equal parts of a whole same figures or objects that are equal in size greater than more than in value less than smaller in value like fractions the bottom numbers are the same

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Extra Practice

Chapter 13 - Customary Measurement of  Length

Big Idea: Rulers can be used to measure and compare how
long and how tall things are

Vocabulary

 foot/feet (ft.) a customary measure of length length how long something is ruler a tool used to measure length of an object unit units are used to measure width how wide something is height how wides something is longest a word used when ordering three objects by length shortest a word used when ordering three objects by length inch (in.) a customary measure of length

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Extra Practice

Chapter 14 - Time

Big Idea: Time of day can be shown in different ways.

Vocabulary

 hour hand short hand on a clock minute hand long hand on a clock minute a unit of time 60 minutes equals 1 hour hour a unit of time equal to 60 minutes o'clock o'clock means according to the clock past after clock face on a clock face, the long hand tells the hour and the short hand tells the minutes after the hour A.M. use A.M. to talk about time just after midnight to just before noon P.M. use P.M. to talk about time just after noon to just before midnight

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Videos

Extra Practice
Chapter 17 - Graphs and Line Plots

Big Idea: Picture graphs, tally charts, bar graphs, and line
plots show data about things you can count

Vocabulary

 picture graph a graph that uses pictures to represent data key a statement that tells what each picture or symbol on a picture graph stands for symbol a picture that represents data in a picture graph record to keep track of data or information tally chart a chart that uses tally marks to keep track of data or information collected line plot a graph that represents data along a number line

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Extra Practice

Chapter 18 - Lines and Surfaces

Big Idea: Properties of parts of lines, curves, and surfaces can be seen and felt

Vocabulary

 part of a line not the whole line curve a line that is not straight but bent flat surface a surface that is level and even curved surface a surface that is not level or even slide to move along a smooth surface stack to arrange on top of each other roll move by turning over and over

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Extra Practice

Chapter 19 - Shapes and Patterns

Big Idea: Plane and solid shapes can be identified and classified. They can be separated and combined to make other shapes.

Vocabulary

 plane shape a plane shape has length and width, but no thickness hexagon a plane shape that has six sides trapezoid a plane shape that has four sides figure you can make a figure by combining different plane shapes pattern unit one set in a series of repeated sets. shape The square, rectangle, triangle, and circle are plane shapes. The cube, rectangular prism, cone, cylinder, and pyramid are solid shapes. face refers to every flat surface of a solid pentagon a plane shape that has five sides quadrilateral a figure with four straight sides repeating patterns repeated sets of shapes arranged in a pattern

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Extra Practice