혼합 계산과 식의 값 단원 종합

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

1. 1
   Subtract 4 from the product of 2 and 19
2. 2
   6 times the difference of 12 and 8

W.2W.3Simplify each expression.

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

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

1. 7
   $[2\times (6\times 12)]÷9=$ 
2. 8
   $[(2\times 2)\times 7]+9=$ 

W.5Simplify each expression.

1. 9
   $(3+11÷11)\times 12=$ 
2. 10
   $8\times (11-6)=$ 

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

1. 11
   $10-2\boxed{}9=$ $17$
2. 12
   $5+9\boxed{}8=$ $22$

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

1. 13
   $316+602$$675+240$
2. 14
   $38\times 14$$13\times 41$

W.8Write an expression for each.

1. 15
   8 more than 11 times y
2. 16
   The sum of m and 8, divided by 2

W.9Evaluate each expression for the given value.

1. 17
   $7m+4$ when $m=10$
2. 18
   $9+8m$ when $m=2$

W.1Write Numerical Expressions

1. 1$2\times 19-4$
2. 2$6\times (12-8)$

W.2W.3Simplify each expression.

1. 3$58$
2. 4$12$
3. 5$3$
4. 6$60$

W.4Parentheses, Brackets & Braces

1. 7$16$
2. 8$37$

W.5Order of Operations

1. 9$48$
2. 10$40$

W.6Find the Missing Sign

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

W.7Compare Expressions

1. 13>
2. 14<

W.8Write Variable Expressions

1. 15$11y+8$
2. 16$(m+8)÷2$

W.9Evaluate Expressions

1. 17$74$
2. 18$25$