Estimate to the nearest ten:
97 − 62
20
30
40
50
Sherrie has $12 in her purse. She spends $9 on a new t-shirt and receives her allowance. She ends the day with $10 in her purse. Choose the pair of sentences that shows how much money Sherrie received for her allowance
$12 + $9 = $21
$21 − $10 = $11
$12 − $9 = $3
$10 − $3 = $7
$3 + $10 = $13
$21 + $10 = $31
Fill in all the boxes with + or –.
Part A.
83 ⬜ 3 = 80