Multiplication
50 x 7 =
350
Which multiplication equation has the same unknown value as 42/ 7 = ____
7 x __ = 42
OR
7 x 6 = 42
Desks are arranged in the classroom. There are 6 rows with 5 desks in each row. How many desks are there?
30 desks
Round 284 to the nearest ten.
280
What unknown number makes this equation true?
721- 36 = ___
685
4 x 10 x ___ = 80
2
Which multiplication equation has the same unknown value as 8/4 = ____
___ x 4 = 8
OR
2 x 4 = 8
Mrs. B. has 72 inches of yarn. She cuts the yarn into 9 inch pieces. How many pieces of yarn does she have?
8 pieces
What unknown number makes this equation true. 136 + 85 = ____
221
What unknown number makes this equation true?
542 + 8 = 500 + ____
60
2 x 5 x ___ = 80
8
Which multiplication equation has the same unknown value as 30/ 5 = ___
___ x 5 = 30
OR
6 x 5 = 30
Jeff has 6 dimes. Ben has 20 nickels. How much more money does Ben have than Jeff?
40 cents
Round 762 to the nearest 100.
800
What unknown makes this equation true?
27 + 3 = 3 + ___
27
Use the commutative property to write this expression differently 5 x (4 + 3).
5 x (3 + 4)
OR
(3 + 4) x 5
What multiplication equation has the same unknown as 63 / 9 = _____
9 x __ = 63
OR
9 x 7 = 63
There are 20 students in a class. Name all the ways the teacher can break apart the students into equal groups with no students left over.
1 group, 20 groups, 2 groups, 10 groups, 4 groups, 5 groups
Out of these numbers, 51, 49, 45, 41, which numbers can be rounded to 50.
51, 49, and 45
340 - 50 = 300 - ___
10
6 x (5 x 4) = ____
120
What multiplication equation has the same unknown number as 64 / 8 = ___
8 x __ = 64
OR
8 x 8 = 64
There are 21 boys and 33 girls in a gym class. The teacher breaks them up into groups of 9. How many groups are there?
6 groups
What is the least whole number that rounds to 450.
445
What unknown number makes this equation true.
628 - 96 = 628 -100 + ___
4