Writing Numerical Expressions
Interpreting Numerical Expressions
Evaluating Numerical Expressions
Grouping Symbols
100
Write an expression to model the quotient of 21 and 7
21 div 7
100
Compare the expressions 12x4 and 12x16
12x16 is 4 times greater than 12x4
100
Which state has the longest boardwalk in the world?
New Jersey
100
Explain the order that you would evaluate
56-(8x2)
First multiply 8x2, then subtract the product from 56.
200
JT walks his dog for 20 minutes every day. Write and expression to show how much he walks his dog in one week.
20x7
200
Compare how to evaluate 2 × (5 + 4) and 2 × 5 + 4. .
Are the answers to the two expressions the same or different? How are they different?
The parentheses allows us to find the sum of 5+4 and then we'd multiply by 2.
200
Evaluate 6+7x5
41
200
Add one set of parentheses to the expression so that it equals 20.
6+4×5
Which is correct?
A. (6+4)×5
B. 6+(4×5)
C. (6+4×5)
D. 6+4×(5)
A
300
What was New York called before it became New York?
New Amsterdam
300
Compare the expressions (120-56)x3 and 120-56
(120-56)x3 is 3 times greater than 120-56
300
Evaluate
(7+8)div(12-7)
3
300
Add parentheses to make the expression 9x4-2 equal 18
9x(4-2)
400
Write an expression to model the product of 12 and the difference of 5 and 3.
12x(5-3)
400
Compare (18+6)x2 and (18+6)x8
(18+6)x8 is 4 times greater than (18+6)x2
400
Evaluate 8x3+6x4
48
400
Explain the order you would solve 7+[13-(2x4)]
First multiply 2x4, then subtract the product from 13. Then add the difference to 7.
500
Jack is collecting cans for the food drive. He donates 10 cans and asks 5 of his friends to donate 6 cans each. Write a numerical expression to model how many cans they donate all together.
10+(5x6)
500
Write an expression that is 4 times greater than 11x5
Possible answers: 11x20, 44x5, (11x5)x4
500
Evaluate
9x{14-[6x(3-1)]}
18
500
Add parentheses to make the expression 18-11x4+3 equal to 31
(18-11)x4+3
600
Makayla is selling jewelry at a farmers' market. The table below shows the number of necklaces and bracelets she has for sale.
At the end of the market, Makayla has sold all of her gold bracelets and half of all her necklaces. Write an expression to show the total number of items Makayla has sold.
15+(12+10) div 2
600
Compare the expressions 2x6 and 4x18
4x18 is 6 times greater than 2x6
600
Evaluate
32 x 4 + 73 - 2
194
600
Add parentheses to make the expression below equal to 16
9+28div7-3
9+28div(7-3)