Numbers that are easy to add, subtract, multiply, or divide are called ___________. In division, they are number pairs that are easy to divide.
What is Compatible Numbers
100
What is this number in standard form?
What is 5,235,061
100
Compare using < or >
8,417,855 ____ 8,045,762
What is >
100
Round these two numbers to the nearest thousand and explain.
4,645
7,543
What is
5,000
8,000
100
There are 5 school buses traveling to Westport. Each bus has 5,647 students. Estimate how many students there are in total. Explain.
What is 30,000
200
Explain the rules of rounding a number to the nearest thousand. Use 5,674 as an example.
What is Circle the 5, underline the 6. The 5-9 means the number goes up. The 5 changes to a 6 and all the other numbers turn into zero.
200
What is this number in word form?
What is five million, two hundred twenty five thousand, sixty one.
200
Compare using > or <
646,435 ___ 646,453
What is <
200
Estimate the sum of 8,068 and 7,543 and explain.
What is
8,000 + 8,000 = 16,000
200
Ms. Alexander has 4,767 pencils and 12 pencil cases. Estimate how many pencils are in each pencil case. Explain.
What is 4 pencils.
300
What is the difference between standard form and expanded form? How are they related?
What is standard form is just the digits that make up a number. Expanded form is the number written out so that each place value is represented and we know how much each one of those digits is worth.
300
What is this number in expanded form?
What is 5,000,000 + 200,000 + 30,000 + 5,000 + 60 + 1 = 5,235,061
300
Find the Rule
560,000 555,000 550,000
What is decrease by 5 thousand
300
Estimate the product of 9,403 and 5. Explain
What is
9,000 x 5 = 45,000
300
Mr. Howard has 8,675 pieces of candy to give to his class. Ms. Stewart brought in 1,535 more pieces of candy for the class. Estimate how many pieces of candy the entire class has now. Explain.
What is 11,000 pieces of candy.
400
You can read numbers up to 10,000 by grouping them into _______ which are groups of three places.
What is periods
400
What is the value of the digit in the tens place?
What is sixty
400
Find the Rule
300,534 1,400,534 2,500,534
What is increase by 1,100,000
400
Estimate the quotient of 3,465 and 8. Explain
What is 3,200 divided by 8 = 400
400
There are 8,586 students at CSMA and each of them brings 2 cell phones to school. Estimate how many cell phones are in the school building in all. Explain
What is 18,000 cell phones
500
What does it mean to find an estimate?
What is to find an approximate answer.
500
The value of the digit 2 is?
What is 200,000
500
Find the Rule and Complete the Pattern
8,584,671 8,084,671 7,584,671 ______ _______
What is
Decrease by 500,000
7,084,671 6,584,671
500
Estimate the quotient of 4,463 and 5. Explain.
What is 4,500 divided by 5 = 900
500
There are 82,964 people in Bridgeport. 56,434 of them are males. Estimate how many females there are in Bridgeport.