Problem #1
74 - 38 =
36
Problem #3 - Hector has 1 dollar, 2 quarters, 1 dime, 3 nickels, and 1 penny. How much money does he have?
$1.76
Problem #5
Round 22 to the nearest 10.
20
Problem #13
Do you need to ungroup to subtract: 140 - 89 =
Yes, because you cannot subtract 9 (1s) from 0 (1s)
Problem #1
63 - 17 =
46
Problem #4 - How much is 3 quarters and 3 dimes together?
$1.05
Problem #6
Round 84 to the nearest 10.
80
Problem #13
Do you need to ungroup to subtract: 300 - 54 =
Yes, because you cannot subtract 4(1s) from 0(1s) or 5(10s) from 0(10s)
Problem #1
91 - 52 =
36
Problem #18a - Jeff wants to buy a baseball card for $1.52. Show one way with dollars and coins that he could pay.
tbd
Problem #9
Does 32 + 16 round to 30 or 50?
The answer is 48, so it rounds up to 50.
Problem #2
Does 17 - 4 = 12?
No, it is 13
Problem #18b - Jeff wants to buy a baseball card for $1.52. Show one way with dollars and coins that he could pay.
tbd
Problem #10
Does 63 + 11 round to 70 or 80?
The answer is 74, so it rounds down to 70.
Problem #2
Does 41 - 7 = 34?
Yes
Problem#11
Does 58 - 33 round to 20 or 30?
The answer is 25, so round up to 30.