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Teacher Answer Key Grade 3 ILEARN Math
DAY 3 KEY
3.NS.1 • 3.NS.6 • 3.CA.1 • 3.CA.2 • 3.M.4
#1 • Place Value 1 pt • 3.NS.1
3,408 in chart
[Th: 3] [H: 4] [T: 0] [O: 8]
Expanded Form: 3,000 + 400 + 8
#2 • Rounding 1 pt • 3.NS.6
Round to 400 (nearest hundred)
Correct Choices: B (395) and C (432)
#3 • Addition 1 pt • 3.CA.1
1,429 + 835
1, 4 2 9
+ 8 3 5
2, 2 6 4
#4 • Subtraction 1 pt • 3.CA.1
850 - 467
8 5 0
- 4 6 7
3 8 3
#5 • Word Problem 1 pt • 3.CA.2
842 books - 275 books
Equation: 842 - 275 = b
Answer: 567 books remain
#6 • Money Sufficiency 1 pt • 3.M.4
Marcus: 3 $1 bills + 2 Qs (50¢) + 4 Ds (40¢) + 1 P (1¢)
Total Money: $3.91
Decision ($4.00): NO
Scoring & Alignment: Give 1 point per correct item (6 points total per daily review). Standards: 3.NS.1, 3.NS.6, 3.CA.1, 3.CA.2, 3.M.4.
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Teacher Answer Key Grade 3 ILEARN Math
DAY 4 KEY
3.NS.1 • 3.NS.6 • 3.CA.1 • 3.CA.2 • 3.M.4
#1 • Number Forms 1 pt • 3.NS.1
Number 6,052
Expanded: 6,000 + 50 + 2
Word Form: six thousand, fifty-two
#2 • Rounding 1 pt • 3.NS.6
Round 276
Nearest 10: 280
Nearest 100: 300
#3 • Subtraction 1 pt • 3.CA.1
623 - 279
6 2 3
- 2 7 9
3 4 4
#4 • Word Problem 1 pt • 3.CA.2
Apples: 268 + 345 - 412
Step 1 (Total): 268 + 345 = 613
Step 2 (Left): 613 - 412 = 201
Answer: 201 apples left
#5 • Fewest Coins 1 pt • 3.M.4
Fewest coins for 88¢
3 Quarters (75¢), 1 Dime (10¢), 0 Nickels, 3 Pennies (3¢)
Total: 7 coins
#6 • Compare Values 1 pt • 3.M.4
Compare $3.45 and 345¢
Comparison: $3.45 = 345 ¢
Scoring & Alignment: Give 1 point per correct item (6 points total per daily review). Standards: 3.NS.1, 3.NS.6, 3.CA.1, 3.CA.2, 3.M.4.
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Teacher Answer Key Grade 3 ILEARN Math
DAY 5 KEY
3.NS.1 • 3.NS.6 • 3.CA.1 • 3.CA.2 • 3.M.4
#1 • Mystery Number 1 pt • 3.NS.1
5 thousands, 14 tens, 6 ones
Standard Form: 5,146
#2 • Estimation 1 pt • 3.NS.6
872 seats to nearest hundred
Answer: 900 seats
#3 • Addition 1 pt • 3.CA.1
3,584 + 2,168
3, 5 8 4
+ 2, 1 6 8
5, 7 5 2
#4 • Subtraction 1 pt • 3.CA.1
900 - 436
9 0 0
- 4 3 6
4 6 4
#5 • Word Problem 1 pt • 3.CA.2
630 beads - n = 285
Equation: 630 - n = 285
Answer: 345 beads used
#6 • Purchasing 1 pt • 3.M.4
David: $5 + $2 = $7. Airplane = $7.50
Total Money: $7.00
Decision: NO
Scoring & Alignment: Give 1 point per correct item (6 points total per daily review). Standards: 3.NS.1, 3.NS.6, 3.CA.1, 3.CA.2, 3.M.4.
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Teacher Answer Key Grade 3 ILEARN Math
DAY 6 KEY
3.NS.1 • 3.NS.6 • 3.CA.1 • 3.CA.2 • 3.M.4
#1 • Place Value 1 pt • 3.NS.1
Breakdown of 5,203
Digits: Th: 5, H: 2, T: 0, O: 3
Expanded: 5,000 + 200 + 3
#2 • Halfway Rounding 1 pt • 3.NS.6
Rounding with 5s
a. 85 to nearest 10: 90
b. 450 to nearest 100: 500
#3 • Addition 1 pt • 3.CA.1
487 + 369
4 8 7
+ 3 6 9
8 5 6
#4 • Subtraction 1 pt • 3.CA.1
712 - 385
7 1 2
- 3 8 5
3 2 7
#5 • Word Problem 1 pt • 3.CA.2
Grade 3: 489; Grade 4: 156 more
Equation: 489 + 156 = c
Answer: 645 cans
#6 • Making Change 1 pt • 3.M.4
Lily buys 65¢ sticker with $1.00
Calculation: 100¢ - 65¢ = 35¢
Change: 35 ¢ (or $0.35)
Scoring & Alignment: Give 1 point per correct item (6 points total per daily review). Standards: 3.NS.1, 3.NS.6, 3.CA.1, 3.CA.2, 3.M.4.
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Teacher Answer Key Grade 3 ILEARN Math
DAY 7 KEY
3.NS.1 • 3.NS.6 • 3.CA.1 • 3.CA.2 • 3.M.4
#1 • Place Value 1 pt • 3.NS.1
In 8,880:
8 in Thousands: 8,000
8 in Hundreds: 800
#2 • Rounding 1 pt • 3.NS.6
325 and 489
325: 10: 330 | 100: 300
489: 10: 490 | 100: 500
#3 • Subtraction 1 pt • 3.CA.1
2,408 - 1,165
2, 4 0 8
- 1, 1 6 5
1, 2 4 3
#4 • Word Problem 1 pt • 3.CA.2
Train: 631 mi; Plane: 800 mi
Calculation: 800 - 631 = 169 miles
Answer: 169 miles farther
#5 • Money Sufficiency 1 pt • 3.M.4
Jordan has $5.35. Lunch box = $5.40
Decision: NO
#6 • Coin Combinations 1 pt • 3.M.4
Two ways to make 75¢
Way 1: 3 Quarters
Way 2: 7 Dimes + 1 Nickel
Scoring & Alignment: Give 1 point per correct item (6 points total per daily review). Standards: 3.NS.1, 3.NS.6, 3.CA.1, 3.CA.2, 3.M.4.
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Teacher Answer Key Grade 3 ILEARN Math
DAY 8 KEY
3.NS.1 • 3.NS.6 • 3.CA.1 • 3.CA.2 • 3.M.4
#1 • Number Forms 1 pt • 3.NS.1
eight thousand, ninety-four
Standard Form: 8,094
Expanded Form: 8,000 + 90 + 4
#2 • Number Line 1 pt • 3.NS.6
648 on number line
Nearest 100: 600
#3 • Addition 1 pt • 3.CA.1
1,578 + 2,643
1, 5 7 8
+ 2, 6 4 3
4, 2 2 1
#4 • Subtraction 1 pt • 3.CA.1
1,000 - 647
1, 0 0 0
- 6 4 7
3 5 3
#5 • Word Problem 1 pt • 3.CA.2
710 cards - 185 - 142
Equation: 710 - 185 - 142 = c
Answer: 383 cards left
#6 • Total Value 1 pt • 3.M.4
3 bills + 5 Qs + 2 Ds + 1 N + 1 P
Total: $4.51
Scoring & Alignment: Give 1 point per correct item (6 points total per daily review). Standards: 3.NS.1, 3.NS.6, 3.CA.1, 3.CA.2, 3.M.4.
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Teacher Answer Key Grade 3 ILEARN Math
DAY 9 KEY
3.NS.1 • 3.NS.6 • 3.CA.1 • 3.CA.2 • 3.M.4
#1 • Comparing 1 pt • 3.NS.1
4,392 vs 4,412
Comparison: < (Less Than)
#2 • Rounding 1 pt • 3.NS.6
965 & 96
a. 965 to nearest 10: 970
b. 965 to nearest 100: 1,000
c. 96 to nearest 10: 100
#3 • Addition & Check 1 pt • 3.CA.1
654 + 288
Sum: 942
Check: 942 - 288 = 654 ✔
#4 • Word Problem 1 pt • 3.CA.2
326 + 289 + 374
Equation: 326 + 289 + 374 = t
Answer: 989 total points
#5 • Purchasing 1 pt • 3.M.4
Kayla has $10.85. Backpack = $10.95
Decision: NO
#6 • Making Change 1 pt • 3.M.4
Max buys $3.42 book with $5.00
Change: $1.58
Scoring & Alignment: Give 1 point per correct item (6 points total per daily review). Standards: 3.NS.1, 3.NS.6, 3.CA.1, 3.CA.2, 3.M.4.
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Teacher Answer Key Checkpoint 1 Mastery
DAY 10 KEY
3.NS.1 • 3.NS.6 • 3.CA.1 • 3.CA.2 • 3.M.4
#1 • Place Value 1 pt • 3.NS.1
Number 9,073
In Words: nine thousand, seventy-three
Expanded Form: 9,000 + 70 + 3
#2 • Rounding Challenge 1 pt • 3.NS.6
Two numbers that round to 500 (nearest 100)
Valid Range: 450 to 549
Sample Answers: 475, 492, 508, 520, 541.
#3 • Subtraction 1 pt • 3.CA.1
4,003 - 1,847
4, 0 0 3
- 1, 8 4 7
2, 1 5 6
#4 • Word Problem 1 pt • 3.CA.2
450 reptiles: 165 snakes, 142 turtles, L lizards
Equation: 450 - (165 + 142) = L
Answer: 143 lizards
#5 • Coin Collection 1 pt • 3.M.4
3 Qs (75¢) + 4 Ds (40¢) + 2 Ns (10¢) + 3 Ps (3¢)
Cents: 128 ¢
Dollars: $1.28
#6 • Spending Decision 1 pt • 3.M.4
Noah: $4 + 6 Qs + 6 Ds + 4 Ns = $6.30
Noah's Total: $6.30
Decision ($6.25): YES
Checkpoint 1 Standards Performance Guide:
10-Day Total: 60 Points. Aligned to Indiana Standards: 3.NS.1, 3.NS.6, 3.CA.1, 3.CA.2, 3.M.4.
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