Counting & Sequences
Complete: 30, 40, 50, __
What is 60?
What is the next square number? 1, 4, 9, __
What is 16?
How do you say -6 in words?
What is negative six?
Calculate: 6 x 10
What is 60?
The value of 4 in 4582.
What is 4000?
Count back by 100: 946, 846, ___
What is 756?
How many small square are in a 3x3 square array?
What is 9?
What number comes before zero when counting backwards by ones?
What is -1, negative one?
calculate: 8 x 100
What is 800?
3000 + 500 + 20 + 6 as one number.
What is 3526?
Find the rule and the next number: 7, 12, 17, 22, __
What is add 5 and next number is 27?
Complete: 1, 4, 9, 16, ___
What is 25?
Complete: 3, 2, 1, 0, __, __
What is -1, -2?
Calculate: 700 ÷ 10
What is 70?
2407 in words
What is Two thousand four hundred and seven?
Is this sequence linear? Explain: 2, 4, 7, 11, __
What is no? The steps are +2, +3, +4, so the difference is not constant. The next step follows the pattern and is +5, giving 16.
Draw or describe an array for 16.
What is a square with 4 rows of 4, or 4x4=16?
Which is greater, -2 or -5? Use number line to explain.
What is -2 is greater because it is farther to the right on the number line?
Calculate: 4500 ÷ 100
What is 45?
Decompose 5318 into thousands, hundreds, tens, and ones.
What is 5000 + 300 + 10 + 8?
Start at 397 and subtract 3 each time. Will the sequence reach zero? Explain.
What is no? The numbers stay at remainder 1 when divided into groups of 3; for example, 397, 394, 391,..., 1, -2. It passes from 1 to -2 without landing on zero.
A square array has 25 small square. How many rows and columns does it have?
What is 5 rows and 5 columns, because 5x5=25?
The temerpature is 2C. It falls by 6C. What is the new temerature?
What is -4C, or negative four degrees Celsius?
A number is multiplied by 10 to make 3260. What is the number?
What is 326?
Make 2450 in a different way from 2000 + 400 + 50.
What is 2400 + 50? or What is 2000 + 300 + 150? etc