Qtr 1 3.OA.2/3.OA.9 Review

When looking at the multiplication table, what is

something you may notice?

• The multiples of 2 are all even, and the multiples of 4 and 6 are all odd.

• In each row, if you multiply the multiple of 2 by the multiple of 4, you get the multiple of 6.

• If you add the multiple of 2 and the multiple of 4, you get the multiple of 6 in the same row.

• Each multiple is double the multiple above it on the chart.

Which problem could be solved using the expression 27 ÷ 3?

• Grace had 27 pencils. She gave 3 pencils to a friend. How many pencils does Grace have left?

• Grace had 27 pencils. She bought 3 more pencils. How many pencils does Grace have now?

• Grace had 27 pencils. She gave all of her pencils to 3 friends. If she gave each friend the same number of pencils, how many pencils did each friend get?

• Grace has 3 friends. She gives each of them 27 pencils. How many pencils did Grace give away?

Juan colored all of the multiples of 5 on a hundred chart. He noticed a pattern.

• The multiples of 5 are always even numbers.

• The digit in the tens place changes for every number.

• If you add the two digits in the multiples of 5, the sum is always less than 10.

• Multiples of 10 are also multiples of 5.

Mrs. Friedl had 27 paint brushes and put them into jars. She put an equal number in each of the 3 jars. Which equation below can be used to represent how the paint brushes were placed in jars?

• 27 – 3 = 24

• 27 x 3 = 81

• 27 + 3 = 30

• 27 ÷ 3 = 9

Look at the multiples of 3 and the multiples of 6. What do you notice?

• The multiples of both numbers are all odd numbers.

• If you add 3 to the multiple of 3, you get the multiple of 6.

• All of the multiples of 3 are also a multiple of 6.

• The multiples of 6 are always double the multiples of 3.

Which of the following problems could be solved using the expression 15 ÷ 3?

• 15 children were in our class Monday. There were 3 more students in our classroom on Tuesday. How many students were in our class on Tuesday?

• 15 families went to a baseball game. Each family had 3 people. How many people were at the game?

• 15 raffle tickets were in a jar. Someone pulled out 3 tickets. How many tickets are left in the jar?

• There were 15 books in a bookcase. There were an equal number of books on each of the 3 shelves. How many books were on each shelf?

Mrs. Toguchi shaded in the multiples of 10 on a

hundred chart. What pattern might Mrs. Toguchi

have noticed?

• The ones place repeats 0 and 5 for all multiples.

• All of the multiples of 10 are even.

• All of the multiples of 10 are odd.

• The tens digit repeats every other multiple.