Tens and Ones
How many ones are in 54?
Does the number 71 round up or down? Also, what number does it round to?
Down. 70.
Solve. 36+74
110
Write the number in expanded form. 75
70 + 5
Round to the nearest TEN. 18
20
How many tens are in 93?
9 tens
Does the number 45 round up or down? Also, what number does it round to?
Up. 50.
Solve. 84+16
Change the number from expanded form to standard form. 80 + 2
82
Round to the nearest TEN. 62
60
How many TOTAL tens are there in 32+47? BONUS: what number is that amount of tens?
7 tens/ 70
Does the number 62 round up or down? Also, what number does it round to?
Down. 60.
What is the sum of 67+11?
78
Write the number in expanded form. 60
60 + 0
Round to the nearest TEN 49
50
lllll ..... How would you write this equation?
lll ........
55+38
Does the number 86 round up or down? Also, what number does it round to?
Up. 90.
Which equations involve Regrouping?
a. 47+12
b. 62+29
c. 37+38
d.11+12
e. 59+14
b, c, e
Write the number in expanded form. 98
90+8
Round to the nearest TEN 87
90
True or False. When you are REGROUPING, you are taking from the TENS and bringing it to the ONES.
False. When you are regrouping, you are taking from the ONES and bringing it next door to the TENS. (Teacher, show an example).
Does the number 95 round up or down? Also, what number does it round to?
Up. 100.
Which equation has the same sum as 42+27?
a. 50+17
b.49+20
c.37+6
d. 59+0
c
Change the number from expanded form to standard form. 90+8
98
Round to the nearest TEN. 25
30