2.1 Multiplication using comparison bars
My dog had 6 times as many toys then my other dog. Dog 2 has 5 toys. How many toys does dog 1 have?
Use comparison bars.
30
6 x 9,000
54,000
5 x 98
Estimate for the answer
500
The product of 6 x 678 is between
_____ and ______
What numbers should fill in the blanks
3,600 and 4,200
What is the answer. Use distributive Property
266
Rohan had 9 video games. Jonathan had 7 times as many as Rohan. How many video games does Jonathan have?
Use comparison bars.
63
8 x 9,000
72,000
8 x 555
Estimate for the answer
4,800
The product of 6 x 589 is between
_______ and ________
What should fill in the blanks
3,600 and 3,000
9 x 89 =?
What is the answer. Use distributive property
801
Mason had 8 bars of chocolate. Aidan had 15 times as many chocolate bars then Mason. How many chocolate bars does Aidan have?
Use comparison bars
120
6 x 25,000
150,000
9 x 1895
Estimate for the answer
THe product of 5 x 1,349 is between
_____ and _____
What numbers should fill in the blanks
5,000 and 10,000
9 x 989=?
What is the answer. Use distributive property
15,381