Grade 6 · Set D · Side 1 of 2
Which number makes it true?
D
Start Finish
Goal: 15 min for both sides
Score/ 20
Remember: Put the number in. If both sides match, or the sign is true, it works.
1n ÷ 3 > 8 for n in 18, 21, 24, 27, 30 working
28 < x for x in 5, 8, 11x = 5x = 8x = 11none of them
working 3x − 7 = 5 with x = 13YesNo
working 4x ÷ 3 + 1 = 8 with x = 21YesNo
working 54(k + 3) < 24 for k in 4, 5, 6, 7, 8 working
6y ÷ 4 + 8 = 12 for y in 12, 16, 20y = 12y = 16y = 20none of them
working 7n − 5 < 4 for n in 7, 9, 11n = 7n = 9n = 11none of them
working 85t + 2 = 17 with t = 2YesNo
working 92y > 4 for y in 0, 1, 2, 3, 4 working
102k > 18 for k in 5, 6, 7, 8, 9 working
Answer key · Grade 6 · Set D
Which number makes it true?
12
2x = 11
3No
4Yes
50
6y = 16
7n = 7
8No
92
100
11n = 9
122
13Yes
14none of them
15No
16Yes
17No
184
19n = 3
20Yes
Mark each answer, count the right ones and write the score on the sheet. Beat your own time next time.