Mixed Problems
1/4 of 8 = ___________ so 0.25 of 8 is _________ so 25 x 8 =________
2, 2, 200
What strategy uses expanded form to help find partial products to solve a multiplication problem?
Array or Area Model
169 divided by 13
13
56 x 23
1,288
63
3/4 of 84 is _________ so 75 x 84 is _________
63, 6,300
What is the answer to a multiplication problem?
Product
224 divided by 16
14
7.23 x 15
108.45
300 x 5
1,500
How many necklaces can you make for $120.00 if each necklace costs $2.40?
50 necklaces
A justifiable guess of an actual value, usually based on some thought or rough calculation; to make an approximate or rough count, measurement, or calculation.
Estimate or Estimation
408 divided by 24
17
38 x 85
3,230
40 x 70
2,800
1,140 divided by 15
76
a tool for representing equivalent ratios that can be used to solve problems that involve multiplication, division, fractions, and proportions.
Ratio Table
624 divided by 26
24
87 x 99
8,613
6 x 7
42
1,674 divided by 27
62
a step-by-step procedure for computing that gives the correct result in every case when the steps are carried out correctly.
Algorithm
1584 divided by 48
33
4.25 x 9
38.25
8 x 7
56