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Numerical Expressions
Multiplication
Decimal multiplication
Measurement Conversions
Comparing Numerical Expressions
100
These are used to show parts of an equation that should be solved first
what is parenthesis
100
The answer to a multiplication equation
What is the product
100
A strategy used to line up digits correctly when multiplying decimal fractions with whole numbers
What is line up the digits AS IF they are whole numbers/decompose the decimal fraction into smaller units
100
The number of centimeters in a meter
What is 100
100
7 thirty sixes ____ The sum of 6 thirty sixes and 3 thirty sixes
What is <
200
The words for the expression: 6 x (31+43)
What is 6 times the sum of 31 and 43
200
27x60=
What is 1,620
200
3.5 x 40=
What is 140
200
Convert years to days to determine how many days are in 9 years
What is 3,285 days in 9 years
200
24 x(20+5) ______ (20+5) x 12
What is >
300
The numerical expression for: The difference between 2 sixteens and 4 sixes
What is: (2x16)-(4x6)
300
213x308=
What is 65,604
300
432 x 1.43=
What is 617.76
300
Convert yards to feet to determine how many feet in 1.5 yards
What is 4.5 feet in 1.5 yards
300
19 x 3 _____ 3 ninteens, tripled
What is =
400
The value of the expression: (20x4)-(40x2)
What is 0
400
Estimate the product of 673 x 287 Will the actual product be more or less then the estimated product? How do you know?
What is 210,000, The actual answer would be less because the actual factors are less than the rounded factors used to estimate.
400
How is 3.9 x 20 related to 39 x 20?
What is the digits are the same but their values are different. 3.9 is one tenth as large as 39, so the product of 39 x 20 will be 10 times larger than the product of 3.9 x 20
400
Make a plan to solve the following problem. Solve showing all your work. John needs to wrap 15 Christmas presents. Each present requires 3.5 yards of wrapping paper. At the store, wrapping paper is solve by the foot. How many feet of wrapping paper should John buy?
What is 1. multiply 3.5 x 3 to find how many feet in 3.5 yards 2. Multiply the answer to step 1 with 15 3.5x 3= 10.5 feet 10.5 x 15= 157.5 feet
400
61 x 25 _____ 60 twenty-fives minus 1 twenty five
What is >
500
Write and solve the numerical expression for: The sum of 9 sixes and 4 sixes
What is : (9x6) + (4x6)= 78
500
A store sells 100 times more toys than it's competitor. The competitor sells 315 toys a day. Write an expression using exponents to show how many toys the store sells.
What is 315 x
500
A teacher bought Rice Krispie treats for her class. Each treat cost $ 1.24. There are 29 students in the class. How much money did the teacher spend?
What is The teacher spend $35.96 on treats for her class.
500
Explain why the following expression is true: 62 x (70 + 8) = (8+70) x 62
What is The expression is true because we can use the commutative property to add and multiply in any order.