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Number Sense
Addition
Subtraction
Mental Math
Math Properties
100

Which number is greater: 456 or 465. Write the correct symbol. <, >, or =

456 < 465

Say: That 456 is less than 465.

The number 465 is greater

100

** DAILY DOUBLE ** Worth 200

What is  

234 + 123 = 

357

100

What is 450 - 100=

350

100

**DAILY DOUBLE* Worth 200

What is 50 + 50 + 50 = 

150

100

What is the Associative Property? Define it and give an example

The ways the numbers are grouped, doesn't change the answer. They "associate"

Example:

(5 + 2) +3  = 10 is the same as (3 + 2) +5 = 10

200

Put these numbers in order from smallest to largest: 325, 532, 235, 632


235, 325, 532, 632

200

Solve: 645+132 = 

777

200

** DAILY DOUBLE** Worth 400

Solve 586 - 243 = 

343

200

What is 456 + 101 = 

557

200

What is the Cummutative Property? Give and example?

Numbers can be added in any order and will still get the same answer. "They Commute"

Example: 

25 + 40 = 65

40 + 25 = 65

300

Are these numbers in order from least to greatest, OR greatest to least? 

557, 335, 111, 37

Greatest to least

300

Solve 368 + 247. Show where you will need to regroup.

615

300

Solve 624-278 = 

Show where you regroup

346

300

What is 84 - 23 = 

Quick mental math

61

300

20 + 16 = ? +20

? = _______

Solve for ?

16

400

**DAILY DOUBLE** Worth 800

1. Complete the missing number in the blank that makes sense. 100, 81, 77, ___, 22

These numbers are ordered from ______ to ______.

(greatest to least, or least to greatest)

Any number between 22 and 77

These numbers are ordered from greatest to least

400

Solve: 268 + 242 = 

510

400

Solve: 796 - 589 = 

Show where you have to regroup

207

400

Solve 254 + 436 = 

690

400

Does this equation show the Associative Property?

20 + (10+15) = (20 + 10) +10

YES OR NO

Why?

NO

Because 15 is not in the second part of the equation.

500

Compare these numbers and write the correct symbol to represent which number is bigger.

4076  < , >, = 4076

4076 = 4076

500
Solve: 197+325 = 

522

500

Solve 805 - 699 = 

You have to double borrow

106

500

Start with 67

Subtract 39

Subtract 23

What is your number?

5

500

** DAILY DOUBLE** worth 1000

(10 + 14)+ 11 = 10 + (14 + 11)

____ + 11 = 10 + ____

_____ = _____

Solve the missing numbers

**DAILY DOUBLE** worth 1000

(10 + 14)+ 11 = 10 + (14 + 11)

__24__ + 11 = 10 + __25__

__35___ = ___35__