Download KeyMath 3 Mental Computation and Estimation

Correct Response
3. What is six take away two?
Mental Computation and Estimation Item 3
4
Form A
Correct Response
6. I am going to say a problem that has three numbers.
Listen very carefully. (Pause one or two seconds at
the comma.)
What is seven plus three, plus four?
Mental Computation and Estimation Item 6
14
Form A
Correct Response
13. Add these numbers and tell me the answer.
66
47
+1
Mental Computation and Estimation Item 13
Form A
Correct Response
18. What is the answer?
280
7 × 40
Mental Computation and Estimation Item 18
Form A
Correct Response
22. What is the answer?
7​ _32 3 +
2
3
Mental Computation and Estimation Item 22
Form A
Correct Response
28. The answer is nearest to which number in the box?
1,100
377 + 87 + 5 3
1,000 1,100 1,200
Mental Computation and Estimation Item 28
Form A
Correct Response
34. The answer is nearest to which number in the box?
8
4.23 ÷ 0.5
6
8
10
Mental Computation and Estimation Item 34
Form A
Correct Response
35. What is the answer?
9
Query
If the examinee answers, “Three to the second
power” or “Three squared,” ask, What is the value?
3 ÷3
4
2
Mental Computation and Estimation Item 35
Form A
Correct Response
38. The answer is nearest to which number in the box?
1.5
0.081 + 1.08 + 0.27
1.0
1.5
2.0
2.5
Mental Computation and Estimation Item 38
Form A