Partitioning Rectangles and Arrays

Partitioning Rectangles and Arrays

Assessment

Interactive Video

Mathematics

2nd - 3rd Grade

Hard

Created by

Thomas White

FREE Resource

The video tutorial introduces second graders to the concept of arrays, focusing on rows and columns. It explains how to identify rows and columns in different shapes like moons, smiley faces, and triangles. The teacher demonstrates how to use arrays for repeated addition, showing that the sum remains the same whether adding rows or columns. The lesson progresses to partitioning rectangles into equal parts using inches and centimeters, reinforcing the concept of arrays and repeated addition. The tutorial concludes with practical exercises from the workbook, emphasizing the importance of understanding arrays in math.

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41 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an array?

A collection of objects arranged in rows and columns

A random assortment of shapes

A type of triangle

A single line of numbers

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do rows in an array run?

Top to bottom

In a circle

Diagonal

Side to side

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the example with moons, how many rows are there?

Three

Four

One

Two

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many smiley faces are in each row?

Five

Three

Two

Four

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the total number of triangles in the rows?

18

12

15

10

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do columns in an array run?

Side to side

Top to bottom

In a circle

Diagonal

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the example with moons, how many columns are there?

Seven

Six

Five

Four

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