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Features

Both forms ask the same questions with different numbers
Pair up a group to tell odd from even, add two rows to see that even numbers are doubles, count by 2s and circle the even numbers to 100
Write equal groups as repeated addition, add an array by its rows and by its columns, and draw arrays
Join marks to cut a rectangle into rows and columns of squares
Arrays are repeated addition only, with no times sign
The last three questions (repeating patterns, growing patterns and sharing equally) are for the states that teach them in 2nd grade
Answer keys name the lesson and skill of every question

Skills Covered

Pair up a group: odd or even
Even numbers as doubles
Count by 2s
Odd or even to 100 by the ones digit
Equal groups as repeated addition

Add an array by rows and by columns
Draw arrays from words and from sums
Rows and columns of squares in a rectangle
Repeating and growing patterns
Share equally

How to Use This Pack

Seven pages for one unit on odd and even numbers, equal groups and arrays. Page 1 is a pre-check to give before the unit, on what it builds on: counting a group, doubles facts, counting by 2s, adding the same number again, what comes next in a pattern, and sharing between two. Pages 2 and 3 are a review to do together before the test. Pages 4 and 5 are the unit test, Form A. Pages 6 and 7 are Form B: the same questions in the same order with different numbers, for a retake, a make-up or a second seating. Each form has 12 questions, one point each, and a Score line on its first page. Equal groups and arrays are written as repeated addition, such as 4 + 4 + 4 = 12, never with a times sign.

In the Classroom

Give the pre-check on the first day of the unit and sort the class by what they missed. Do the review the day before the test, with counters out for pairing up and building arrays. Questions 10 to 12 (repeating patterns, growing patterns and sharing equally) are taught in 2nd grade in some states: leave out the ones your class does not learn and score out of what is left. The answer keys name each question's skill, so a missed question points to the lesson to reteach.

At Home

Use the review as practice before a test at school, or Form B as a check after the unit. Pair up socks, shoes or snacks to see whether one is left over, and look for arrays at home: an egg carton, a muffin pan, a window with panes. Ask how many rows, how many in each row, and how many in all.

Tips for Success

Pair things up two by two: one left over means odd
Even numbers end in 0, 2, 4, 6 or 8
Rows go across; columns go up and down
Adding the rows or the columns gives the same total
Use Form B as a retake after reteaching what was missed

Common Core Standards Alignment

This pack supports the following Common Core State Standards for Mathematics:

2.OA.C.3 Decide if up to 20 objects are odd or even (match them in twos or skip count by 2s); write evens as doubles.
2.OA.C.4 Use adding to find the total in an array with at most 5 rows and 5 columns, and write it as repeated addition.
2.G.A.2 Cut a rectangle into a grid of equal squares and count how many squares it holds.
3.OA.A.2 Understand a quotient as either the size of each equal share or the number of equal groups, such as 24 ÷ 6.

2nd Grade Odd, Even and Arrays Test

2nd Grade

A unit test for odd and even numbers, equal groups and arrays in 2nd grade: a one-page pre-check, a two-page review, and the unit test in two forms (A and B).

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What’s Included

A one-page pre-check (6 questions)
A two-page review to do together before the test
The unit test in two forms, A and B (12 questions each)
Answer keys that name each question's lesson and skill (14 pages in all)

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Free to print and share

This worksheet is free to download, print, copy, and hand out in your classroom or at home. You do not need to create an account, and there are no watermarks on the PDF.