Problem-Solving Investigation: Choose the best strategy
Division (with decimals)
Multiplication
PEMDAS
Random Math!!!
100
At 3 A.M., the tide was 4 feet.By 9 A.M. the tide had risen 6 feet. Andre calculates that the tide reached 10 feet at 9 A.M. Are his calculations correct? Explain.
Yes, because 6+4=10
100
322÷7=_
46
100
78×3=_
234
100
57-(2×4)+3=_
52
100
Find the missing number and the pattern below.
1,4,9,_,17,20,25
The pattern is +2 +5
12
200
Find the missing term in the pattern below.
1,1,2,3,5,_,13,21.
8
200
3114÷9=_
346
200
126×12=_
1512
200
12+(3×7)-4=_
29
200
927÷9=_
103
300
A scuba diver descended 8 feet below the surface of the water. Then he descended an additional 12 feet. He then ascended 3 feet. How far below the surface is he?
17 feet
300
3496÷4=_
874
300
374×45
16830
300
7×(7+3)-12=_
58
300
Michael ate 3/4 of a pizza, and Brayden ate 16/20 of a pizza
Brayden at the most pizza
To get the answer, cross multiply, and the highest number is the answer.
400
In a farmyard, there are 12 horses and ducks altogether. If Jose` counts 42 legs, how many ducks and horses are there?
9 horses & 3 ducks
400
4476÷6=_
746
400
948×112=_
106176
400
40-(9×4)+2=
6
400
372×(47-2)+7=_
4047
500
A croquet ball has a mass of 460 grams. Together, the mass of a golf ball and a croquet ball is the same as the mass of 11 golf balls. What is the mass of one golf ball?
46 grams
500
7992÷8=_
999
500
1795×495=_
888525
500
74-(9×8)+3=_
5
500
Bob is 4 years older than Bill. Bill is 3 years younger than Sammy, and Sammy is 2 years older than John. If John's 13, how old is Bob?