The 7 is in the thousands place, so its value is 7,000.
2
69,137
45,678 + 23,459 = 69,137.
3
4,544
8,000 − 3,456 = 4,544.
4
B — 56
7 × 8 = 56.
5
B — 12
96 ÷ 8 = 12.
6
B — 3/6
Multiply top and bottom of 1/2 by 3: 3/6.
7
0.35, 0.4, 0.5
0.35 < 0.40 < 0.50.
8
B — 15
20 ÷ 4 = 5, then 5 × 3 = 15.
9
26 cm
8 + 5 + 8 + 5 = 26 cm.
10
36 cm²
9 × 4 = 36 cm².
11
B — 10
25% = 1/4, and 40 ÷ 4 = 10.
12
19, 23
Add 4 each time: 15 + 4 = 19, 19 + 4 = 23.
13
B — 4,700
78 rounds up, so 4,678 → 4,700.
14
4.25
2.50 + 1.75 = 4.25.
15
C — 150
2 × 60 = 120, plus 30 = 150 minutes.
16
B — cube
A cube has 6 identical square faces.
17
D — both B and C
5/8 + 1/8 = 6/8, which simplifies to 3/4.
18
5/8
8/8 − 3/8 = 5/8.
19
C — 132
12 × 11 = 132.
20
87 stickers
135 − 48 = 87.
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