Unit Review: Order of operations & expressions

W.1Write an expression for each. Do not work it out.

1. 1
   Divide the sum of 15 and 3 by 9
2. 2
   7 times the difference of 8 and 7

W.2W.3Simplify each expression.

1. 3
   $3\times 6\times 6-11=$ 
2. 4
   $7\times 11-2-9=$ 
3. 5
   $(7+11)\times 5+6=$ 
4. 6
   $12÷(8-2)=$ 

W.4Work from the inside out: ( ) first, then [ ], then { }.

1. 7
   $[10÷(10-8)]\times 3=$ 
2. 8
   $[12+(9÷9)]-11=$ 

W.5Simplify each expression.

1. 9
   $(12-9)\times 7=$ 
2. 10
   $3\times (11-3)=$ 

W.6Write +, −, ×, or ÷ in the box to make each equation true.

1. 11
   $2\boxed{}9\times 5=$ $47$
2. 12
   $9+3\boxed{}10=$ $22$

W.7Write >, <, or = in each circle.

1. 13
   $874-465$$191+218$
2. 14
   $26\times 34$$214+670$

W.8Write an expression for each.

1. 15
   2 times the difference of n and 6
2. 16
   9 times the difference of m and 6

W.9Evaluate each expression for the given value.

1. 17
   $3m-12$ when $m=6$
2. 18
   $4m+18$ when $m=3$

W.1Write Numerical Expressions

1. 1$(15+3)÷9$
2. 2$7\times (8-7)$

W.2W.3Simplify each expression.

1. 3$97$
2. 4$66$
3. 5$96$
4. 6$2$

W.4Parentheses, Brackets & Braces

1. 7$15$
2. 8$2$

W.5Order of Operations

1. 9$21$
2. 10$24$

W.6Find the Missing Sign

1. 11$+$
2. 12$+$

W.7Compare Expressions

1. 13=
2. 14=

W.8Write Variable Expressions

1. 15$2(n-6)$
2. 16$9(m-6)$

W.9Evaluate Expressions

1. 17$6$
2. 18$30$