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Assess Yourself

How well do you understand the ideas in this lesson?

Goal:

Goal:

monkey with checkmark and cross

Show What You Know!

Assess how well you met your goals.

Are you ready to take this lesson's quiz? These questions will help you find out. Go back to the lesson if you do not know an answer.

Which array has 5 groups with 1 in each group?

  1. 3 rows of 2 red dots
  2. 2 rows of 2 red dots

Sorry, that is not right. The 5 by 1 array is correct.

Sorry, that is not right. The 5 by 1 array is correct.

Yes! The 5 by 1 array is correct.

Which multiplication picture shows 2 groups of 3?

  1. 2 groups of 2 game pieces with each group circled
  2. 3 groups of 3 game pieces with each group circled

Sorry, that is not right. The picture with 2 circles and 3 in each is correct.

That is right! The picture with 2 circles and 3 in each is correct.

Sorry, that is not right. The picture with 2 circles and 3 in each is correct.

What are the important numbers for this problem?

There are __ groups of __ dice on the floor. How many dice in all do we need to put away?

4 groups of 2 dice with groups circled 4 rows of 2 red dots

  1. 2 and 3
  2. 4 and 6

Great job! 4 and 2 are the important numbers.

Sorry, that is not correct. 4 and 2 are the important numbers.

Sorry, that is not correct. 4 and 2 are the important numbers.

What is the total number?

There are 9 rows of 1 game chip on the floor. How many game chips in total do we need to put away?

9 groups of 1 chip with each group circled 9 rows of 1 red dot

1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 = ?

9 x 1 = ?

  1. 5
  2. 10

Sorry, that is not correct. 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 = 9 and 9 x 1 = 9.

Sorry, that is not correct. 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 = 9 and 9 x 1 = 9.

Excellent! 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 = 9 and 9 x 1 = 9.

Which array shows 6 groups of 2?

  1. 4 rows of 3 red dots
  2. 2 rows of 5 red dots

Sorry, that is not right. The 6 by 2 array is correct.

Yes! The 6 by 2 array is correct.

Sorry, that is not right. The 6 by 2 array is correct.

Which multiplication picture shows 5 groups of 3?

  1. 4 groups of 5 game pieces with each group circled
  2. 3 groups of 3 game pieces with each group circled

Sorry, that is not right. The picture with 5 circles and 3 in each is correct.

Sorry, that is not right. The picture with 5 circles and 3 in each is correct.

That is right! The picture with 5 circles and 3 in each is correct.

What are the important numbers for this problem?

There are __ groups of __ dice on the floor. How many dice in total do we need to put away?

7 groups of 2 dice with each group circled 7 rows of 2 red dots

  1. 9 and 2
  2. 2 and 5

Sorry, that is not correct. 7 and 2 are the important numbers.

Great job! 7 and 2 are the important numbers.

Sorry, that is not correct. 7 and 2 are the important numbers.

What is the total number?

There are 4 rows of 4 game chips on the floor. How many game chips in all do we need to put away?

4 groups of 4 chips with each group circled 4 rows of 4 red dots

4 + 4 + 4 + 4 = ?

4 x 4 = ?

  1. 12
  2. 8

Sorry, that is not correct. 4 + 4 + 4 + 4 = 16 and 4 x 4 = 16.

Sorry, that is not correct. 4 + 4 + 4 + 4 = 16 and 4 x 4 = 16.

Excellent! 4 + 4 + 4 + 4 = 16 and 4 x 4 = 16.

What are the important numbers for this problem?

There are __ groups of __ dice on the floor. How many dice in all do we need to put away?

9 groups of 2 dice with each group circled 9 rows of 2 red dots

  1. 7 and 2
  2. 2 and 5

Great job! 9 and 2 are the important numbers.

Sorry, that is not correct. 9 and 2 are the important numbers.

Sorry, that is not correct. 9 and 2 are the important numbers.

What is the total number?

There are 4 rows of 5 game chips on the floor. How many game chips in all do we need to put away?

4 groups of 5 chips with each group circled 5 rows of 5 red dots

5 + 5 + 5 + 5 = ?

4 x 5 = ?

  1. 12
  2. 16

Sorry, that is not correct. 5 + 5 + 5 + 5 = 20 and 4 x 5 = 20.

Excellent! 5 + 5 + 5 + 5 = 20 and 4 x 5 = 20.

Sorry, that is not correct. 5 + 5 + 5 + 5 = 20 and 4 x 5 = 20.

Summary

Questions answered correctly:

Questions answered incorrectly: