Q1
Solve: 125=z−253.
Q2
Write an equation modeled by the envelopes and counters, and then solve the equation:
Q3
Solve: x−77=219.
Q4
Is z=6 a solution to the equation 12z−13=9z+5?
Q5
Write an equation modeled by the envelopes and counters, and then solve the equation:
Q6
Is d=5 a solution to the equation 17d+19=5d+79?
Q7
Solve: m+47=72.
Q8
Solve: q+68=72.
Q9
Solve: n−170=168
Q10
Solve: q−131=213.
Q11
Is z=6 a solution to the equation 7z+13=2z+43?
Q12
Is y=5 a solution to the equation 12y−14=9y+1?
Q13
Suppose a desk has an imaginary line dividing it in half. Both sides of the desk have the same number of counters, but some counters are hidden in the envelope. Can you tell how many counters are in the envelope?
Write an equation modeled by the envelopes and counters, and then solve the equation to determine how many counters are in the envelope:
Q14
Write an equation modeled by the envelopes and counters, and then solve the equation:
Q15
Solve: u+8=58.
Q16
Solve: q+35=86
Solution
Q1
Solve: 125=z−253.
Ans: z = 378
Q2
Write an equation modeled by the envelopes and counters, and then solve the equation:
Ans: x+5=5, solution: x = 0
Q3
Solve: x−77=219.
Ans: x = 296…….please follow the link below to purchase the solution at $5
