34 + 5 - 13
26
Which expression simplifies to 24?
A. 5 x 10 - 3 x4
B. 4 x 4 + 2 x 4
C. 72 + 40 - 100
D. 4 x 8 - 6
B. 4 x 4 + 2 x 4
Write the numeric expression to match the statement.
subtract 16 to the product of 4 and 4
4 x 4 - 16
Which step does the mistake first appear?
4 x (3 x 8 ÷ 2) + 6
Step 1: 4 x (24 ÷ 2) + 6
Step 2: 4 x 12 + 6
Step 3: 4 x 18
Step 4: 72
Step 3: The student should have multiplied 4 times 12 and then add 6.
Multi-Select all the values that is equivalent to the expression:6 x (24-3 x 2) ÷ 4
A. 6 x (21-6) ÷ 4
B. 6 x (24-6) ÷ 4
C. 6 x 15 ÷ 4
D. 108 ÷ 4
E. 27
B. 6 x (24-6)÷ 4
D. 108 ÷ 4
E. 27
(6 + 2) x 4 ÷ 8
4
Which expression simplifies to 40?
A. 45-5+10
B. 10 x 4 + [2 + 8]
C. ½ x [40 x 2]
D. ½ x [20 +10]
C. ½ x [40 x 2]
Which statement matches the numeric expression?
5 x (125 + 535)A. The value is 5 fewer than the sum of 125 and 535.
B. The value of is 535 times more than than the sum of 125 and 5.
C. The value is 5 times as large as the sum of 125 and 535.
D. The value is 5 times as large as the difference of 125 and 535.
C. The value is 5 times as large as the sum of 125 and 535.
Which step does the error first appear?
(6 x 7) + (12 ÷ 6) -4
Step 1: (6 x 7) + 12 ÷ 2
Step 2: (6 x 7) + 6
Step 3: 42 + 6
Step 4: 36
Step 1: Operations in the parentheses should have been solved first. Instead of subtracting 6 and 4, the correct order should have been (6 times 7) and ( 12 divide by 6).
Which expression simplifies to 24?
A. 2 x (6 +4) -8
B. 2 x (12 + 24) -48
C. 2 x 16-28
D. 2 x (54-14 x 3)-10
E.
B. 2 x (12 + 24) -48
6 x (24 + 12) -7
209
Which expression simplifies to 29?
A. (7 x 3) + (4 x 2)
B. (32 ÷ 4) -(3 x 2)
C. (16 x 2) -7
D. (8 x 3) + 4
A. (7 x 3) + (4 x 2)
Write the numeric expression as a statement.
15 x (3 -2)
Choose all statements that are true.
A. 15 multiplied by the difference of 3 and 2
B. the quotient of 3 and 2 multiplied by 15
C. the difference of 3 and 2, multiplied by 15
D. multiply the product of 15 and 3, then subtract 2
E. subtract 3 and 2 and multiply the difference by 15
A. 15 multiplied by the difference of 3 and 2
C. the difference of 3 and 2, multiplied by 15
E. subtract 3 and 2 and multiply the difference by 15
Which step does the mistake first appear?
3 x (18 ÷ 6 x 4) - 2
Step 1: 3 x (3 x 4) - 2
Step 2: 3 x 12 - 2
Step 3: 3 x 10
Step 4: 30
Step 3: Order of Operation states that multiplication and division is priority over subtraction and addition. The student should have multiplied 3 x 12 first and then the product is subtracted by 2.
An expression is shown.
½ x 24 + 8 ÷ 2 x 10
Place a set of parentheses in the expression above, so the value is 80.
A. ½ x (24 + 8) ÷ 2 x 10
B.(½ x 24) + 8 ÷ 2 x 10
C.½ x (24 + 8 ÷ 2) x 10
D.½ x 24 + 8 ÷ (2 x 10)
E. ½ x 24 + (8 ÷ 2 x 10)
A. ½ x (24 + 8) ÷ 2 x 10
½ x (50 ÷ 5) + 15
20
Which expression simplifies to 105?
A. 90 x 2 -45
B. (100 - 35) +10
C. (35 x 2) + ( 12 x 7) - 49
D. (10 x 10) + (3 x 10)
C. (35 x 2) + ( 12 x 7) - 49
What numeric expression shows "divide 32 by 4 and then subtract 7"?
A. 32 x 4-7
B. 32-4÷7
C.32 ÷ (4-7)
D. (32÷ 4)-7
D. (32÷ 4)-7
Which step does the error first appear?
15 ÷ 3 + ( 2 x 10 - 5)
Step 1: 15 ÷ 3 + ( 20 - 5)
Step 2: 15 ÷ 3 + 15
Step 3: 5 + 15
Step 4: 10
Step 4: 5 plus 15 is equals 20 and not 10.
An expression is shown.
½ x 50 -26 ÷ 2 x 5
Place a set of parentheses in the expression above, so the value is 30.
A. ½ x 50 -(26 ÷ 2) x 5
B.(½ x 50) -26 ÷ 2 x 5
C.½ x (50 -26) ÷ 2 x 5
D.½ x 50 -(26 ÷ 2 x 5)
E. All of the above.
C.½ x (50 -26) ÷ 2 x 5
7 x { 32 - 3 x 4 } ÷ 5
28
Which expression simplifies to 72?
A. 55 ÷ 5 + (32-12)
B. (10 x 10) -28
C. (10 x 10) + (3 x 10)
D. 3 x 10 ÷ 15 + 54
B. (10 x 10) -28
Which statement describes the value of the expression 2 x (224 -112)
A. The value is 2 fewer than the product of 224 and 112.
B. The value of is 112 times more than than the sum of 224 and 2.
C.The value is 2 times as large as the sum of 224 and 112.
D. The value is 2 times as large as the difference of 224 and 112.
D. The value is 2 times as large as the difference of 224 and 112.
In which step does the mistake first appear?
Step 1: 12−4−2+6+12÷4 x2
Step 2: 12−2+6+12÷4 x2
Step 3: 12−8+12÷4 x 2
Step 4: 12−8+3 x 2
Step 5: 12−8+5
Step 6: 4+5= 9
Step 5
3 x 2 is not 5, it is 6.
The answer should be 10.
Multi-Select all the values that is equivalent to the expression:
8 x { 40 + 3 x 6} ÷ 4
A. 4 x (17 + 12)
B. (4 x 17) + 12
C. [27 + 41 - 10] x 2
D. (7 x 6) -30
A. 4 x (17 + 12)
C. [27 + 41 - 10] x 2