Estimate sums and differences
Round to estimate the difference
13.8-9.9=
4
Find the sum
3.7+1.9=
5.6
Find the Difference
34.5-21.5=
13
Jessy said she ________ the difference between 18.5 and 9.7 and got 10.
Estimeated
Alicia buys a book for $9.99 and a pencil case for $2.99. She gives the cashier a $20 bill. How much change does she get?
$7.02
Estimate the sum
298.3+305.4
600
Find the sum
0.94+0.82=
1.76
Find the Difference
23.5-3.8=
19.7
Kevin said that 30 is a _____________ number for 33
Compatible
Mrs. Wengiel has $378.97 in her bank account. She withdrawls $59.50 to buy her class a treat. She then get paid and deposits $20.44 back into her account. How much money is in her account now?
$339.91
Estimate the sum
741.26 +103.75
845
Find the sum
82.9+10.8=
93.7
Find the Difference
3.76-0.53=
3.23
In the problem 4+7=11
4 and 7 are known as the________
Addends
Which statement describes the difference of
125.31-47.9
The diference is greater than 85
The difference is less than 78
the difference is 77.31
The difference is less than 78
Estimate the difference by finding a compatible number
147.9-98.7=
50
Find the sum
11.06+5.45
16.51
Find the Difference
996.74-38.51=
958.23
Another name for a number sentence without an equal sign is___________
Expression
Abowling alley charges $7.50 cents to bowl $2.25 to rent shoes per person. How much do you pay for you and two friend to bowl and rent shoes?
$29.25
Estimate the sum by rounding to the nearest whole number
17.27-13.95=
3
Find the sum
49.87 +32.53=
82.4
Find the Difference
856.02-48.12=
807.90
To find the value of an expression is also known as___
Evaluate
The 5th grade teachers spend $116.20 on Halloween costumes and $494.85 on pizzas for the students. They count their reamining money and have $194.27.
How much did they start with?
$805.32