Finding the halfway number
Rounding 2 digit numbers
Rounding 4 digits numbers
Problem Solving
Try,Check, & Revise
Numeration Topic 1
100
Find the halfway number between 10 and 20
What is 25?
100
Round to the 23 to the nearest ten.
What is 20?
100
Round 4,569 to the nearest hundred.
What is 4,600?
100
Jim and John are sharing crayons. Together they have 64 crayons, but Jim has 10 more crayons than John. How many crayons does Jim and John have
What is Jim has 42 and John has 22?
100
In 350,268 what is the value of the 5?
What is 50,000
200
Find the halfway number between 90 & 100.
What is 95?
200
Round 58 to the nearest ten.
What is 60?
200
Round 2,148 to the nearest hundred.
What is 2,100?
200
There are 28 students in Ms. Chan’s class. There are 4 more girls than boys. How many girls are there? [HINT: Try, check, and revise.]
What is 16 girls?
200
How is the numeral 27,608 written in words?
What is wenty-seven thousand, six hundred eight?
300
Find the halfway number between 400 & 500.
What is 450?
300
Round 469 to the nearest ten
What is 470?
300
Round 9,992 to the nearest hundred.
What is 10,000?
300
Ronnie and Jon share 36 markers. Ronnie has 10 fewer markers than Jon. How many markers does Jon have? [HINT: Try, check, and revise.]
What is 23 markers?
300
Order the numbers from least to greatest. 1. 216 208 222
What is 208, 216, 222?
400
Find the halfway number between 870 & 880
What is 875?
400
Round to the nearest 705 to the nearest hundred.
What is 700?
400
Round 4,099 to the nearest thousand
What is 4,000?
400
There are 33 students in the band. There are 6 more fifth- grade students than third-grade students. There are an equal number of third- and fourth-grade students. How many third-grade students are in the band?
What is 9?
400
Order the numbers from least to greatest. 2. 3,795 3,659 3,747
What is 3,659, 3,747, 3,795?
500
Find the halfway number between 6,000-7,000
What is 6,500?
500
Round 356 to the nearest hundred.
What is 400?
500
Round 8,603 to the nearest thousand.
What is 9,000?
500
Jan, Mya, and Sara ran a total of 64 miles last week. Jan and Mya ran the same number of miles. Sara ran 8 less miles than Jan and Mya. How many miles did Sara run?
What is 16?
500
Sean lives at ninety-five hundred Pine Street. Write the number in the address in a different way.
What is 9,500