Transcript PSSA`s - misssayre

PSSA’s
We can do this!
Math Review
Ways to write numbers
• Standard form: 1,235
• Expanded form: 1,000 + 200 + 30 + 5
• Word form:
one thousand two hundred thirty five
• Model form:
Your turn: 1,498
• Standard form: _____________
• Expanded form: ________________
• Word form:
____________________________
• Model form:
Place Value
1, 8 7 9, 2 6 5
millions
Hundred thousands
Tenthousands
thousands
hundreds
tens
ones
Write the number that has…
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1 in the thousands place
6 in the hundreds place
0 in the tens place
5 in the ones place
• How do you say this number?
Even or Odd?
• LOOK AT THE ONES PLACE!!!!!!
• Even = 0, 2, 4, 6, 8, in the ones place
example: 2,348
• Odd = 1, 3, 5, 7, 9 in the ones place
example: 89,573
Even or Odd?
61
Even or Odd?
1,908,372
Even or Odd?
210
Comparing Numbers
• > < +=
• Always line up place value to compare
• Look at the biggest place value first
3,456
3,465
So 3,456 < 3,4654
><=?
45,782 _____45,800
><=?
894 _____3,764
Ordering Numbers
• ALWAYS READ THE QUESTION UNTIL
YOU UNDERSTAND IT!!!
• Least to greatest, most to least,
largest to smallest, etc…
Use process of elimination!
Put the numbers in order from
greatest to least.
532
4,576
501
5,483
Fractions
3
= part (how many parts/pieces are
being looked at)
___
4 = whole (how many EQUAL parts its
broken into or how many pieces in a set)
Write the fraction:
Write the fraction:
What fraction are white?
Draw a circle.
Show ½ shaded.
Draw 9 circles.
Shade in 2/9 of them.
Money: Counting Coins
• Always start with the largest coin and then
count towards the smallest
How much money?
Compare the money:
> < or ?
Ninety five cents _____ Q Q D D D
NPPP
Money: Making Change
• A toy costs $3.48 and you pay with $5
$5.00
- $3.48
Money: Making Change
• A bag of candy costs $2.76
and you pay with $5
• What is the change?
Addition
• Some are simple (no carrying or regrouping)
1,345
+ 1,213
Addition
• Some are simple (no carrying or regrouping)
2,457
+ 1,021
Addition
• Some you have to work a little harder with
carrying or regrouping
739
+ 653
Addition
• Some you have to work a little harder with
carrying or regrouping
59
+ 38
Subtraction
• Some are simple (no borrowing)
753
- 533
Subtraction
• Some are simple (no borrowing)
93
- 71
Subtraction
• Some you have to work a little harder and
borrow before you subtract
165
- 198
More on the
floor go next
door.
More on the
top, not need to
stop.
Subtraction
• Some you have to work a little harder and
borrow before you subtract
32
- 28
More on the
floor go next
door.
More on the
top, not need to
stop.
+ - Fact Families
• Make the four number models for
5 3 and 8
Multiplication
3 x 4 = Turn around fact: 4 x 3
Repeated addition: 3+3+3+3 or 4+4+4
Array
Multiplication
• Solve the problems the teacher says
X ÷ Fact Families
• Make the four number models for
5 3 and 15
Estimating/ Ballpark Estimates
• Round to the nearest 10
45
50
234
230
• Round to the nearest 100
297
300
2,416
2,400
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Other math skills
Telling Time, elapsed time, AM PM
Measurement units
Comparing/ ordering measurement
measuring./estimating length
Graphs, charts, and tables
Matching number stories to number models
Find a missing number or symbol in a number
sentence
• Patterns
• 2D and 3D shapes
• Symmetry