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Numbers and Operations
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Write the Word for the Number
72 = 19 = 12 = 0 =
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Write the Number for the Word
eleven = one thousand = ten thousand = one million =
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ones tens hundreds thousands ten thousands hundred thousands million
Name the Place Value 6, 289, 531 ones tens hundreds thousands ten thousands hundred thousands million
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Number Riddle I am a four digit number. My ones digit is a five.
My tens digit is a two. My hundreds digit is a three. My thousands digit is the same as my tens digit. What number am I?
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Another Number Riddle I am a five digit number.
My ones digit is a six. My tens digit is a three. My hundreds digit is a seven. My thousands digit is a two. My ten thousands digit is a six. What number am I?
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Symbol: Words for ADDITION plus combine in total sum more than
all together join Symbol:
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What does Addition Look Like?
= = =
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Symbol: Words for SUBTRACTION minus take away decrease difference
less than remain left over Symbol:
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What does Subtraction Look Like?
= = =
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Solving Word Problems Read the problem carefully. Look for important words. Cross out any information that is not important. What operation - addition, subtraction, multiplication, division? Show an equation. (Write down the numbers.) Make a sentence with the answer.
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What is a word problem? It is words or sentences WITH numbers. You have to find the answer, or SOLVE the problem.
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Edi buys 15 pencils at Superstore and 28 pencils from Walmart.
Word Problem Edi buys 15 pencils at Superstore and 28 pencils from Walmart. How many pencils does she buy in total? = She buys 43 pencils in total 43
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Multiplication Words times groups of product Symbol:
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What is Multiplication?
Multiplication is repeated addition, or adding groups of things. For example: = 15 OR groups of 3 = x = 15
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You try…. What is two groups of two? Draw it:
What is three groups of 5? What is one group of 8?
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What does Multiplication Look Like?
4 x 6 = 22 x 16 = 358 x 197 = x6 x x197
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Place Value - tenths = 10 cents cents + 10 cents + 10 cents cents + 10 cents + = 1/ cents + 10 cents + 10 cents cents + 10 cents = ???
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How much? $2.5 = two dollars and 50 cents (a toonie and five dimes) $3.7 = $4.80 =
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Place Value - hundredths
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How much? 3 cents = or 3/100 6 cents = 9 cents = 11 pennies = 100 cents =
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½ ¾ ⅝ A fraction tells us how many parts of a whole we have.
What is a fraction? A fraction tells us how many parts of a whole we have. ½ ¾ ⅝
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Names for Fractions /2 = half /8 = eighth /3 = third /9 = ninth
/4 = quarter /10 = tenth /5 = fifth /11 = eleventh /6 = sixth /12 = twelfth /7 = seventh /13 = thirteenth
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How to Write a Fraction
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Numerator and Denominator
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Write the Fraction
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Fractions
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When do we use fractions?
For baking For marks For measuring For sharing food For TIME
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Time There are ___________ hours in a day. There are ___________ minutes in an hour. There are ___________ seconds in a minute. The morning hours are called a.m. The afternoon/evening hours are called p.m.
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Fractions of Time 15 minutes after = quarter after
30 minutes after = half past 15 minutes to = quarter to on the hour = o’clock
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What Time is It?
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Division Symbol: Or / 8 ÷ 2 = 4 12 ÷ 6 = 2 100 ÷ 4 = 25
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What is Division? Division is breaking a number up into an equal number of parts. 20 ÷ 4 =
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Math is Fun website:
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Division Words dividend divisor quotient
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Long Division
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You Try... 245 ÷ 5 = 324 ÷ 6 =
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Review Questions ADDITION
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Review Questions SUBTRACTION
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Review Questions MULTIPLICATION
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Review Questions DIVISION
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Review Questions COUNTING MONEY
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Word Problems Read carefully. Highlight important information.
Which operation? (addition, subtraction, multiplication, division) SHOW YOUR WORK! Write a sentence with the answer.
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Review Questions WORD PROBLEMS
Edi buys lettuce for $2.49 and carrots for $4.95 and bananas for $3.15. How much does she spend in total? Show Your Work: Sentence: John has 26 candies that he wants to share with 4 friends. How many candies can each friend have? How many are left over? Show Your Work: Sentence:
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