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### STI Math Assessment

Second Grade Pacing Guide

Parent’s Guide to Help Your Child Become Successful in Learning Math Concepts!

Math Skills for December

- Vocabulary-compare, order, expand, digit, value, less than, greater than, equal to, tens, hundreds.
- 1. Demonstrate the concept of number sense by comparing, ordering, and expanding whole numbers up to 100
- determining a number when given the value of ones, tens, and hundreds.
- Example: expanding—recognizing 251 as being represented by two hundred fifty-one,
- by 2 hundreds + 5 tens + 1 one, and by 200 + 50+ 1
- • Counting forward in multiples from a given number Examples: 3, 6, 9, 12; 4, 8, 12, 16
- • Identifying zero as a placeholder in two- and three-digit numbers
- • Comparing numbers using the symbols >, <, and =

Adding and Subtracting

Vocabulary-addition, subtraction, regrouping, sum, difference, total.

Solve two-digit addition and subtraction

Quick Recall of Math Facts

Demonstrating computational fluency, including quick recall, of addition and subtraction facts with sums through 20 and differences with minuends through 20.

Money-Money-Money-Money

Penny is one cent.

Dime is ten cents.

Nickel is five cents.

Demonstrating computational fluency, including quick recall, of addition and subtraction facts with sums through 20 and differences with minuends through 20.

Monetary Value of like and unlike sets of coins up to $2.00

- Vocabulary- value, penny, nickel, dime, cent

Determine the monetary value of like and unlike sets of coins and bills up to $2.00.

• Identifying sets of coins of equivalent value

• Selecting coins to make equivalent sets

• Applying monetary symbols, including

dollar ($), cent (¢), and decimal point (.)

• Recognizing decimal numbers .10, .25,

.50, and .75 as related to money

Associative Property of Addition

- Recognize the associative property of addition.
- Example: (3 + 4) + 2 = 3 + (4 + 2)

When adding 3 or more numbers, we can add the digits in any order, and the answer will always be the same. .

3 + ( 5 + 4 ) 3 + 9

is the same as... ( 2 + 5 ) + 3 = 2 + ( 5 + 3 ) ( 3 + 5 ) + 4 8 + 4

7 + 3 = 2 + 810 = 10

Events More Likely or Less Likely to Occur

- Vocabulary- determine, event, more likely, less likely

Is it more likely to rain or snow on July 4th in Alabama?

Is it more likely to be cold or warm outside at Christmas?

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